Home / 5,218,408.68-7,202,191.14-3,182,399.16

Finding the Fourth Proportional to 5,218,408.68, 7,202,191.14 and 3,182,399.16

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Solution

The fourth proportional to 5,218,408.68, 7,202,191.14 and 3,182,399.16 is: 4,392,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,408.68 : 7,202,191.14 = 3,182,399.16 : x
  2. Step 2: Convert to fraction form
    5,218,408.68/7,202,191.14 = 3,182,399.16/x
  3. Step 3: Cross multiply
    5,218,408.68x = 7,202,191.14 × 3,182,399.16
  4. Step 4: Simplify right side
    5,218,408.68x = 22,920,247,034,095.44
  5. Step 5: Solve for x
    x = 22,920,247,034,095.44/5,218,408.68
  6. Step 6: Final answer
    x = 4,392,190.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.