Home / 3,100,516.11-4,278,761.97-1,705,132.88

Finding the Fourth Proportional to 3,100,516.11, 4,278,761.97 and 1,705,132.88

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Solution

The fourth proportional to 3,100,516.11, 4,278,761.97 and 1,705,132.88 is: 2,353,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,516.11 : 4,278,761.97 = 1,705,132.88 : x
  2. Step 2: Convert to fraction form
    3,100,516.11/4,278,761.97 = 1,705,132.88/x
  3. Step 3: Cross multiply
    3,100,516.11x = 4,278,761.97 × 1,705,132.88
  4. Step 4: Simplify right side
    3,100,516.11x = 7,295,857,720,740.57
  5. Step 5: Solve for x
    x = 7,295,857,720,740.57/3,100,516.11
  6. Step 6: Final answer
    x = 2,353,110.73

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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.