Home / 3,825,892.92-5,279,680.40-2,172,025

Finding the Fourth Proportional to 3,825,892.92, 5,279,680.40 and 2,172,025

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Solution

The fourth proportional to 3,825,892.92, 5,279,680.40 and 2,172,025 is: 2,997,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,892.92 : 5,279,680.40 = 2,172,025 : x
  2. Step 2: Convert to fraction form
    3,825,892.92/5,279,680.40 = 2,172,025/x
  3. Step 3: Cross multiply
    3,825,892.92x = 5,279,680.40 × 2,172,025
  4. Step 4: Simplify right side
    3,825,892.92x = 11,467,597,820,810
  5. Step 5: Solve for x
    x = 11,467,597,820,810/3,825,892.92
  6. Step 6: Final answer
    x = 2,997,365.08

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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.