Home / 5,278,566.72-7,904,278.92-3,657,026.90

Finding the Fourth Proportional to 5,278,566.72, 7,904,278.92 and 3,657,026.90

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Solution

The fourth proportional to 5,278,566.72, 7,904,278.92 and 3,657,026.90 is: 5,476,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,566.72 : 7,904,278.92 = 3,657,026.90 : x
  2. Step 2: Convert to fraction form
    5,278,566.72/7,904,278.92 = 3,657,026.90/x
  3. Step 3: Cross multiply
    5,278,566.72x = 7,904,278.92 × 3,657,026.90
  4. Step 4: Simplify right side
    5,278,566.72x = 28,906,160,635,542.95
  5. Step 5: Solve for x
    x = 28,906,160,635,542.95/5,278,566.72
  6. Step 6: Final answer
    x = 5,476,138.16

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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.