Home / 2,679,418.40-4,023,793.20-1,419,706.40

Finding the Fourth Proportional to 2,679,418.40, 4,023,793.20 and 1,419,706.40

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Solution

The fourth proportional to 2,679,418.40, 4,023,793.20 and 1,419,706.40 is: 2,132,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,418.40 : 4,023,793.20 = 1,419,706.40 : x
  2. Step 2: Convert to fraction form
    2,679,418.40/4,023,793.20 = 1,419,706.40/x
  3. Step 3: Cross multiply
    2,679,418.40x = 4,023,793.20 × 1,419,706.40
  4. Step 4: Simplify right side
    2,679,418.40x = 5,712,604,958,316.48
  5. Step 5: Solve for x
    x = 5,712,604,958,316.48/2,679,418.40
  6. Step 6: Final answer
    x = 2,132,031.70

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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.