Home / 3,388,138.32-5,082,272.52-829,375.08

Finding the Fourth Proportional to 3,388,138.32, 5,082,272.52 and 829,375.08

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Solution

The fourth proportional to 3,388,138.32, 5,082,272.52 and 829,375.08 is: 1,244,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,138.32 : 5,082,272.52 = 829,375.08 : x
  2. Step 2: Convert to fraction form
    3,388,138.32/5,082,272.52 = 829,375.08/x
  3. Step 3: Cross multiply
    3,388,138.32x = 5,082,272.52 × 829,375.08
  4. Step 4: Simplify right side
    3,388,138.32x = 4,215,110,177,856.80
  5. Step 5: Solve for x
    x = 4,215,110,177,856.80/3,388,138.32
  6. Step 6: Final answer
    x = 1,244,078.54

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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.