Home / 6,438,767.28-8,885,569.58-3,538,158.90

Finding the Fourth Proportional to 6,438,767.28, 8,885,569.58 and 3,538,158.90

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Solution

The fourth proportional to 6,438,767.28, 8,885,569.58 and 3,538,158.90 is: 4,882,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,767.28 : 8,885,569.58 = 3,538,158.90 : x
  2. Step 2: Convert to fraction form
    6,438,767.28/8,885,569.58 = 3,538,158.90/x
  3. Step 3: Cross multiply
    6,438,767.28x = 8,885,569.58 × 3,538,158.90
  4. Step 4: Simplify right side
    6,438,767.28x = 31,438,557,091,046.26
  5. Step 5: Solve for x
    x = 31,438,557,091,046.26/6,438,767.28
  6. Step 6: Final answer
    x = 4,882,698.15

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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.