Home / 4,614,348.74-6,921,540.11-1,419,452.78

Finding the Fourth Proportional to 4,614,348.74, 6,921,540.11 and 1,419,452.78

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Solution

The fourth proportional to 4,614,348.74, 6,921,540.11 and 1,419,452.78 is: 2,129,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614,348.74 : 6,921,540.11 = 1,419,452.78 : x
  2. Step 2: Convert to fraction form
    4,614,348.74/6,921,540.11 = 1,419,452.78/x
  3. Step 3: Cross multiply
    4,614,348.74x = 6,921,540.11 × 1,419,452.78
  4. Step 4: Simplify right side
    4,614,348.74x = 9,824,799,319,961.94
  5. Step 5: Solve for x
    x = 9,824,799,319,961.94/4,614,348.74
  6. Step 6: Final answer
    x = 2,129,184.40

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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.