Home / 3,976,881.16-5,486,350.26-2,687,251.72

Finding the Fourth Proportional to 3,976,881.16, 5,486,350.26 and 2,687,251.72

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Solution

The fourth proportional to 3,976,881.16, 5,486,350.26 and 2,687,251.72 is: 3,707,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,881.16 : 5,486,350.26 = 2,687,251.72 : x
  2. Step 2: Convert to fraction form
    3,976,881.16/5,486,350.26 = 2,687,251.72/x
  3. Step 3: Cross multiply
    3,976,881.16x = 5,486,350.26 × 2,687,251.72
  4. Step 4: Simplify right side
    3,976,881.16x = 14,743,204,172,707.45
  5. Step 5: Solve for x
    x = 14,743,204,172,707.45/3,976,881.16
  6. Step 6: Final answer
    x = 3,707,227.74

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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.