Home / 2,146,388.40-3,218,416.20-725,713.20

Finding the Fourth Proportional to 2,146,388.40, 3,218,416.20 and 725,713.20

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Solution

The fourth proportional to 2,146,388.40, 3,218,416.20 and 725,713.20 is: 1,088,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,388.40 : 3,218,416.20 = 725,713.20 : x
  2. Step 2: Convert to fraction form
    2,146,388.40/3,218,416.20 = 725,713.20/x
  3. Step 3: Cross multiply
    2,146,388.40x = 3,218,416.20 × 725,713.20
  4. Step 4: Simplify right side
    2,146,388.40x = 2,335,647,119,433.84
  5. Step 5: Solve for x
    x = 2,335,647,119,433.84/2,146,388.40
  6. Step 6: Final answer
    x = 1,088,175.43

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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.