Home / 2,261,998.17-3,121,578.36-1,229,508.38

Finding the Fourth Proportional to 2,261,998.17, 3,121,578.36 and 1,229,508.38

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Solution

The fourth proportional to 2,261,998.17, 3,121,578.36 and 1,229,508.38 is: 1,696,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,998.17 : 3,121,578.36 = 1,229,508.38 : x
  2. Step 2: Convert to fraction form
    2,261,998.17/3,121,578.36 = 1,229,508.38/x
  3. Step 3: Cross multiply
    2,261,998.17x = 3,121,578.36 × 1,229,508.38
  4. Step 4: Simplify right side
    2,261,998.17x = 3,838,006,760,250.60
  5. Step 5: Solve for x
    x = 3,838,006,760,250.60/2,261,998.17
  6. Step 6: Final answer
    x = 1,696,732.92

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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.