Home / 2,182,806.40-3,274,209.60-687,356.80

Finding the Fourth Proportional to 2,182,806.40, 3,274,209.60 and 687,356.80

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Solution

The fourth proportional to 2,182,806.40, 3,274,209.60 and 687,356.80 is: 1,031,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,806.40 : 3,274,209.60 = 687,356.80 : x
  2. Step 2: Convert to fraction form
    2,182,806.40/3,274,209.60 = 687,356.80/x
  3. Step 3: Cross multiply
    2,182,806.40x = 3,274,209.60 × 687,356.80
  4. Step 4: Simplify right side
    2,182,806.40x = 2,250,550,233,185.28
  5. Step 5: Solve for x
    x = 2,250,550,233,185.28/2,182,806.40
  6. Step 6: Final answer
    x = 1,031,035.20

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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.