Home / 3,914,748-5,402,341.19-2,172,680.42

Finding the Fourth Proportional to 3,914,748, 5,402,341.19 and 2,172,680.42

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Solution

The fourth proportional to 3,914,748, 5,402,341.19 and 2,172,680.42 is: 2,998,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,748 : 5,402,341.19 = 2,172,680.42 : x
  2. Step 2: Convert to fraction form
    3,914,748/5,402,341.19 = 2,172,680.42/x
  3. Step 3: Cross multiply
    3,914,748x = 5,402,341.19 × 2,172,680.42
  4. Step 4: Simplify right side
    3,914,748x = 11,737,560,904,092.49
  5. Step 5: Solve for x
    x = 11,737,560,904,092.49/3,914,748
  6. Step 6: Final answer
    x = 2,998,292.84

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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.