Home / 5,431,031.90-8,151,140.55-2,238,449.30

Finding the Fourth Proportional to 5,431,031.90, 8,151,140.55 and 2,238,449.30

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Solution

The fourth proportional to 5,431,031.90, 8,151,140.55 and 2,238,449.30 is: 3,359,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,031.90 : 8,151,140.55 = 2,238,449.30 : x
  2. Step 2: Convert to fraction form
    5,431,031.90/8,151,140.55 = 2,238,449.30/x
  3. Step 3: Cross multiply
    5,431,031.90x = 8,151,140.55 × 2,238,449.30
  4. Step 4: Simplify right side
    5,431,031.90x = 18,245,914,858,349.11
  5. Step 5: Solve for x
    x = 18,245,914,858,349.11/5,431,031.90
  6. Step 6: Final answer
    x = 3,359,566.87

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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.