Home / 5,392,147.20-8,082,691.20-3,147,129.60

Finding the Fourth Proportional to 5,392,147.20, 8,082,691.20 and 3,147,129.60

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Solution

The fourth proportional to 5,392,147.20, 8,082,691.20 and 3,147,129.60 is: 4,717,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392,147.20 : 8,082,691.20 = 3,147,129.60 : x
  2. Step 2: Convert to fraction form
    5,392,147.20/8,082,691.20 = 3,147,129.60/x
  3. Step 3: Cross multiply
    5,392,147.20x = 8,082,691.20 × 3,147,129.60
  4. Step 4: Simplify right side
    5,392,147.20x = 25,437,276,723,179.52
  5. Step 5: Solve for x
    x = 25,437,276,723,179.52/5,392,147.20
  6. Step 6: Final answer
    x = 4,717,467.05

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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.