Home / 2,287,731.28-3,157,127.27-1,255,238.80

Finding the Fourth Proportional to 2,287,731.28, 3,157,127.27 and 1,255,238.80

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Solution

The fourth proportional to 2,287,731.28, 3,157,127.27 and 1,255,238.80 is: 1,732,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,731.28 : 3,157,127.27 = 1,255,238.80 : x
  2. Step 2: Convert to fraction form
    2,287,731.28/3,157,127.27 = 1,255,238.80/x
  3. Step 3: Cross multiply
    2,287,731.28x = 3,157,127.27 × 1,255,238.80
  4. Step 4: Simplify right side
    2,287,731.28x = 3,962,948,645,842.08
  5. Step 5: Solve for x
    x = 3,962,948,645,842.08/2,287,731.28
  6. Step 6: Final answer
    x = 1,732,261.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.