Home / 3,932,139.45-5,426,006.50-2,189,677.17

Finding the Fourth Proportional to 3,932,139.45, 5,426,006.50 and 2,189,677.17

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Solution

The fourth proportional to 3,932,139.45, 5,426,006.50 and 2,189,677.17 is: 3,021,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,139.45 : 5,426,006.50 = 2,189,677.17 : x
  2. Step 2: Convert to fraction form
    3,932,139.45/5,426,006.50 = 2,189,677.17/x
  3. Step 3: Cross multiply
    3,932,139.45x = 5,426,006.50 × 2,189,677.17
  4. Step 4: Simplify right side
    3,932,139.45x = 11,881,202,557,321.61
  5. Step 5: Solve for x
    x = 11,881,202,557,321.61/3,932,139.45
  6. Step 6: Final answer
    x = 3,021,561.85

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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.