Home / 3,924,949.28-5,416,478.16-2,376,189.92

Finding the Fourth Proportional to 3,924,949.28, 5,416,478.16 and 2,376,189.92

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Solution

The fourth proportional to 3,924,949.28, 5,416,478.16 and 2,376,189.92 is: 3,279,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924,949.28 : 5,416,478.16 = 2,376,189.92 : x
  2. Step 2: Convert to fraction form
    3,924,949.28/5,416,478.16 = 2,376,189.92/x
  3. Step 3: Cross multiply
    3,924,949.28x = 5,416,478.16 × 2,376,189.92
  4. Step 4: Simplify right side
    3,924,949.28x = 12,870,580,805,692.15
  5. Step 5: Solve for x
    x = 12,870,580,805,692.15/3,924,949.28
  6. Step 6: Final answer
    x = 3,279,171.24

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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.