Home / 5,392,149.20-8,082,694.20-3,147,131.60

Finding the Fourth Proportional to 5,392,149.20, 8,082,694.20 and 3,147,131.60

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Solution

The fourth proportional to 5,392,149.20, 8,082,694.20 and 3,147,131.60 is: 4,717,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392,149.20 : 8,082,694.20 = 3,147,131.60 : x
  2. Step 2: Convert to fraction form
    5,392,149.20/8,082,694.20 = 3,147,131.60/x
  3. Step 3: Cross multiply
    5,392,149.20x = 8,082,694.20 × 3,147,131.60
  4. Step 4: Simplify right side
    5,392,149.20x = 25,437,302,329,956.72
  5. Step 5: Solve for x
    x = 25,437,302,329,956.72/5,392,149.20
  6. Step 6: Final answer
    x = 4,717,470.05

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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.