Home / 6,690,237.11-9,231,786.77-3,709,865.58

Finding the Fourth Proportional to 6,690,237.11, 9,231,786.77 and 3,709,865.58

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Solution

The fourth proportional to 6,690,237.11, 9,231,786.77 and 3,709,865.58 is: 5,119,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,237.11 : 9,231,786.77 = 3,709,865.58 : x
  2. Step 2: Convert to fraction form
    6,690,237.11/9,231,786.77 = 3,709,865.58/x
  3. Step 3: Cross multiply
    6,690,237.11x = 9,231,786.77 × 3,709,865.58
  4. Step 4: Simplify right side
    6,690,237.11x = 34,248,687,979,922.38
  5. Step 5: Solve for x
    x = 34,248,687,979,922.38/6,690,237.11
  6. Step 6: Final answer
    x = 5,119,203.91

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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.