Home / 6,688,042.20-9,230,067.45-3,787,948.98

Finding the Fourth Proportional to 6,688,042.20, 9,230,067.45 and 3,787,948.98

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Solution

The fourth proportional to 6,688,042.20, 9,230,067.45 and 3,787,948.98 is: 5,227,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,042.20 : 9,230,067.45 = 3,787,948.98 : x
  2. Step 2: Convert to fraction form
    6,688,042.20/9,230,067.45 = 3,787,948.98/x
  3. Step 3: Cross multiply
    6,688,042.20x = 9,230,067.45 × 3,787,948.98
  4. Step 4: Simplify right side
    6,688,042.20x = 34,963,024,582,558.70
  5. Step 5: Solve for x
    x = 34,963,024,582,558.70/6,688,042.20
  6. Step 6: Final answer
    x = 5,227,691.98

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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.