Home / 5,447,403.20-8,175,770.40-2,419,428.80

Finding the Fourth Proportional to 5,447,403.20, 8,175,770.40 and 2,419,428.80

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Solution

The fourth proportional to 5,447,403.20, 8,175,770.40 and 2,419,428.80 is: 3,631,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,403.20 : 8,175,770.40 = 2,419,428.80 : x
  2. Step 2: Convert to fraction form
    5,447,403.20/8,175,770.40 = 2,419,428.80/x
  3. Step 3: Cross multiply
    5,447,403.20x = 8,175,770.40 × 2,419,428.80
  4. Step 4: Simplify right side
    5,447,403.20x = 19,780,694,367,947.52
  5. Step 5: Solve for x
    x = 19,780,694,367,947.52/5,447,403.20
  6. Step 6: Final answer
    x = 3,631,215.40

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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.