Home / 2,179,927.20-3,271,057.20-917,882.40

Finding the Fourth Proportional to 2,179,927.20, 3,271,057.20 and 917,882.40

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Solution

The fourth proportional to 2,179,927.20, 3,271,057.20 and 917,882.40 is: 1,377,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,927.20 : 3,271,057.20 = 917,882.40 : x
  2. Step 2: Convert to fraction form
    2,179,927.20/3,271,057.20 = 917,882.40/x
  3. Step 3: Cross multiply
    2,179,927.20x = 3,271,057.20 × 917,882.40
  4. Step 4: Simplify right side
    2,179,927.20x = 3,002,445,833,273.28
  5. Step 5: Solve for x
    x = 3,002,445,833,273.28/2,179,927.20
  6. Step 6: Final answer
    x = 1,377,314.73

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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.