Home / 3,120,568.11-4,680,852.16-2,157,995.60

Finding the Fourth Proportional to 3,120,568.11, 4,680,852.16 and 2,157,995.60

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Solution

The fourth proportional to 3,120,568.11, 4,680,852.16 and 2,157,995.60 is: 3,236,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,568.11 : 4,680,852.16 = 2,157,995.60 : x
  2. Step 2: Convert to fraction form
    3,120,568.11/4,680,852.16 = 2,157,995.60/x
  3. Step 3: Cross multiply
    3,120,568.11x = 4,680,852.16 × 2,157,995.60
  4. Step 4: Simplify right side
    3,120,568.11x = 10,101,258,365,530.50
  5. Step 5: Solve for x
    x = 10,101,258,365,530.50/3,120,568.11
  6. Step 6: Final answer
    x = 3,236,993.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.