Home / 3,100,515.42-4,278,761.03-1,705,132.20

Finding the Fourth Proportional to 3,100,515.42, 4,278,761.03 and 1,705,132.20

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Solution

The fourth proportional to 3,100,515.42, 4,278,761.03 and 1,705,132.20 is: 2,353,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,515.42 : 4,278,761.03 = 1,705,132.20 : x
  2. Step 2: Convert to fraction form
    3,100,515.42/4,278,761.03 = 1,705,132.20/x
  3. Step 3: Cross multiply
    3,100,515.42x = 4,278,761.03 × 1,705,132.20
  4. Step 4: Simplify right side
    3,100,515.42x = 7,295,853,195,006.95
  5. Step 5: Solve for x
    x = 7,295,853,195,006.95/3,100,515.42
  6. Step 6: Final answer
    x = 2,353,109.79

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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.