Home / 3,419,167.20-5,129,211.60-1,175,992.80

Finding the Fourth Proportional to 3,419,167.20, 5,129,211.60 and 1,175,992.80

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Solution

The fourth proportional to 3,419,167.20, 5,129,211.60 and 1,175,992.80 is: 1,764,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,167.20 : 5,129,211.60 = 1,175,992.80 : x
  2. Step 2: Convert to fraction form
    3,419,167.20/5,129,211.60 = 1,175,992.80/x
  3. Step 3: Cross multiply
    3,419,167.20x = 5,129,211.60 × 1,175,992.80
  4. Step 4: Simplify right side
    3,419,167.20x = 6,031,915,911,276.48
  5. Step 5: Solve for x
    x = 6,031,915,911,276.48/3,419,167.20
  6. Step 6: Final answer
    x = 1,764,147.69

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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.