Home / 2,153,752.40-3,230,628.60-2,112,280.40

Finding the Fourth Proportional to 2,153,752.40, 3,230,628.60 and 2,112,280.40

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Solution

The fourth proportional to 2,153,752.40, 3,230,628.60 and 2,112,280.40 is: 3,168,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,752.40 : 3,230,628.60 = 2,112,280.40 : x
  2. Step 2: Convert to fraction form
    2,153,752.40/3,230,628.60 = 2,112,280.40/x
  3. Step 3: Cross multiply
    2,153,752.40x = 3,230,628.60 × 2,112,280.40
  4. Step 4: Simplify right side
    2,153,752.40x = 6,823,993,471,459.44
  5. Step 5: Solve for x
    x = 6,823,993,471,459.44/2,153,752.40
  6. Step 6: Final answer
    x = 3,168,420.60

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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.