Home / 3,120,567.11-4,680,850.66-2,157,994.60

Finding the Fourth Proportional to 3,120,567.11, 4,680,850.66 and 2,157,994.60

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Solution

The fourth proportional to 3,120,567.11, 4,680,850.66 and 2,157,994.60 is: 3,236,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,567.11 : 4,680,850.66 = 2,157,994.60 : x
  2. Step 2: Convert to fraction form
    3,120,567.11/4,680,850.66 = 2,157,994.60/x
  3. Step 3: Cross multiply
    3,120,567.11x = 4,680,850.66 × 2,157,994.60
  4. Step 4: Simplify right side
    3,120,567.11x = 10,101,250,430,589.32
  5. Step 5: Solve for x
    x = 10,101,250,430,589.32/3,120,567.11
  6. Step 6: Final answer
    x = 3,236,991.89

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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.