Home / 2,107,766.68-3,162,153.03-687,825.34

Finding the Fourth Proportional to 2,107,766.68, 3,162,153.03 and 687,825.34

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Solution

The fourth proportional to 2,107,766.68, 3,162,153.03 and 687,825.34 is: 1,031,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,766.68 : 3,162,153.03 = 687,825.34 : x
  2. Step 2: Convert to fraction form
    2,107,766.68/3,162,153.03 = 687,825.34/x
  3. Step 3: Cross multiply
    2,107,766.68x = 3,162,153.03 × 687,825.34
  4. Step 4: Simplify right side
    2,107,766.68x = 2,175,008,982,991.78
  5. Step 5: Solve for x
    x = 2,175,008,982,991.78/2,107,766.68
  6. Step 6: Final answer
    x = 1,031,902.16

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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.