Home / 2,250,160.78-3,105,198.22-1,217,645.97

Finding the Fourth Proportional to 2,250,160.78, 3,105,198.22 and 1,217,645.97

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Solution

The fourth proportional to 2,250,160.78, 3,105,198.22 and 1,217,645.97 is: 1,680,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,160.78 : 3,105,198.22 = 1,217,645.97 : x
  2. Step 2: Convert to fraction form
    2,250,160.78/3,105,198.22 = 1,217,645.97/x
  3. Step 3: Cross multiply
    2,250,160.78x = 3,105,198.22 × 1,217,645.97
  4. Step 4: Simplify right side
    2,250,160.78x = 3,781,032,098,634.17
  5. Step 5: Solve for x
    x = 3,781,032,098,634.17/2,250,160.78
  6. Step 6: Final answer
    x = 1,680,338.64

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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.