Home / 4,986,138.20-7,479,207.30-4,135,832.60

Finding the Fourth Proportional to 4,986,138.20, 7,479,207.30 and 4,135,832.60

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Solution

The fourth proportional to 4,986,138.20, 7,479,207.30 and 4,135,832.60 is: 6,203,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,138.20 : 7,479,207.30 = 4,135,832.60 : x
  2. Step 2: Convert to fraction form
    4,986,138.20/7,479,207.30 = 4,135,832.60/x
  3. Step 3: Cross multiply
    4,986,138.20x = 7,479,207.30 × 4,135,832.60
  4. Step 4: Simplify right side
    4,986,138.20x = 30,932,749,373,497.98
  5. Step 5: Solve for x
    x = 30,932,749,373,497.98/4,986,138.20
  6. Step 6: Final answer
    x = 6,203,748.90

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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.