Home / 2,486,033.88-3,729,040.18-688,912.20

Finding the Fourth Proportional to 2,486,033.88, 3,729,040.18 and 688,912.20

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Solution

The fourth proportional to 2,486,033.88, 3,729,040.18 and 688,912.20 is: 1,033,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,033.88 : 3,729,040.18 = 688,912.20 : x
  2. Step 2: Convert to fraction form
    2,486,033.88/3,729,040.18 = 688,912.20/x
  3. Step 3: Cross multiply
    2,486,033.88x = 3,729,040.18 × 688,912.20
  4. Step 4: Simplify right side
    2,486,033.88x = 2,568,981,274,292.20
  5. Step 5: Solve for x
    x = 2,568,981,274,292.20/2,486,033.88
  6. Step 6: Final answer
    x = 1,033,365.35

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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.