Home / 3,921,723.92-5,412,110.42-2,179,466.72

Finding the Fourth Proportional to 3,921,723.92, 5,412,110.42 and 2,179,466.72

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Solution

The fourth proportional to 3,921,723.92, 5,412,110.42 and 2,179,466.72 is: 3,007,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,723.92 : 5,412,110.42 = 2,179,466.72 : x
  2. Step 2: Convert to fraction form
    3,921,723.92/5,412,110.42 = 2,179,466.72/x
  3. Step 3: Cross multiply
    3,921,723.92x = 5,412,110.42 × 2,179,466.72
  4. Step 4: Simplify right side
    3,921,723.92x = 11,795,514,545,355.22
  5. Step 5: Solve for x
    x = 11,795,514,545,355.22/3,921,723.92
  6. Step 6: Final answer
    x = 3,007,737.10

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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.