Home / 2,145,349.80-3,217,074.30-725,020.20

Finding the Fourth Proportional to 2,145,349.80, 3,217,074.30 and 725,020.20

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Solution

The fourth proportional to 2,145,349.80, 3,217,074.30 and 725,020.20 is: 1,087,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,349.80 : 3,217,074.30 = 725,020.20 : x
  2. Step 2: Convert to fraction form
    2,145,349.80/3,217,074.30 = 725,020.20/x
  3. Step 3: Cross multiply
    2,145,349.80x = 3,217,074.30 × 725,020.20
  4. Step 4: Simplify right side
    2,145,349.80x = 2,332,443,852,400.86
  5. Step 5: Solve for x
    x = 2,332,443,852,400.86/2,145,349.80
  6. Step 6: Final answer
    x = 1,087,209.11

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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.