Home / 6,787,728-9,367,249.43-3,690,459.88

Finding the Fourth Proportional to 6,787,728, 9,367,249.43 and 3,690,459.88

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Solution

The fourth proportional to 6,787,728, 9,367,249.43 and 3,690,459.88 is: 5,092,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,728 : 9,367,249.43 = 3,690,459.88 : x
  2. Step 2: Convert to fraction form
    6,787,728/9,367,249.43 = 3,690,459.88/x
  3. Step 3: Cross multiply
    6,787,728x = 9,367,249.43 × 3,690,459.88
  4. Step 4: Simplify right side
    6,787,728x = 34,569,458,193,175.89
  5. Step 5: Solve for x
    x = 34,569,458,193,175.89/6,787,728
  6. Step 6: Final answer
    x = 5,092,935.10

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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.