Home / 2,201,689.80-3,301,757.10-781,792.20

Finding the Fourth Proportional to 2,201,689.80, 3,301,757.10 and 781,792.20

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Solution

The fourth proportional to 2,201,689.80, 3,301,757.10 and 781,792.20 is: 1,172,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,689.80 : 3,301,757.10 = 781,792.20 : x
  2. Step 2: Convert to fraction form
    2,201,689.80/3,301,757.10 = 781,792.20/x
  3. Step 3: Cross multiply
    2,201,689.80x = 3,301,757.10 × 781,792.20
  4. Step 4: Simplify right side
    2,201,689.80x = 2,581,287,947,074.62
  5. Step 5: Solve for x
    x = 2,581,287,947,074.62/2,201,689.80
  6. Step 6: Final answer
    x = 1,172,412.18

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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.