Home / 2,656,224.80-3,984,337.20-661,680.80

Finding the Fourth Proportional to 2,656,224.80, 3,984,337.20 and 661,680.80

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Solution

The fourth proportional to 2,656,224.80, 3,984,337.20 and 661,680.80 is: 992,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,224.80 : 3,984,337.20 = 661,680.80 : x
  2. Step 2: Convert to fraction form
    2,656,224.80/3,984,337.20 = 661,680.80/x
  3. Step 3: Cross multiply
    2,656,224.80x = 3,984,337.20 × 661,680.80
  4. Step 4: Simplify right side
    2,656,224.80x = 2,636,359,425,965.76
  5. Step 5: Solve for x
    x = 2,636,359,425,965.76/2,656,224.80
  6. Step 6: Final answer
    x = 992,521.20

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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.