Home / 6,391,925.73-8,820,805.10-3,491,318.43

Finding the Fourth Proportional to 6,391,925.73, 8,820,805.10 and 3,491,318.43

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Solution

The fourth proportional to 6,391,925.73, 8,820,805.10 and 3,491,318.43 is: 4,817,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,925.73 : 8,820,805.10 = 3,491,318.43 : x
  2. Step 2: Convert to fraction form
    6,391,925.73/8,820,805.10 = 3,491,318.43/x
  3. Step 3: Cross multiply
    6,391,925.73x = 8,820,805.10 × 3,491,318.43
  4. Step 4: Simplify right side
    6,391,925.73x = 30,796,239,395,611.41
  5. Step 5: Solve for x
    x = 30,796,239,395,611.41/6,391,925.73
  6. Step 6: Final answer
    x = 4,817,990.81

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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.