Home / 3,857,127.12-5,786,654.85-2,722,104.90

Finding the Fourth Proportional to 3,857,127.12, 5,786,654.85 and 2,722,104.90

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Solution

The fourth proportional to 3,857,127.12, 5,786,654.85 and 2,722,104.90 is: 4,083,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,127.12 : 5,786,654.85 = 2,722,104.90 : x
  2. Step 2: Convert to fraction form
    3,857,127.12/5,786,654.85 = 2,722,104.90/x
  3. Step 3: Cross multiply
    3,857,127.12x = 5,786,654.85 × 2,722,104.90
  4. Step 4: Simplify right side
    3,857,127.12x = 15,751,881,521,793.76
  5. Step 5: Solve for x
    x = 15,751,881,521,793.76/3,857,127.12
  6. Step 6: Final answer
    x = 4,083,837.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.