Home / 2,486,034.38-3,729,040.93-688,912.70

Finding the Fourth Proportional to 2,486,034.38, 3,729,040.93 and 688,912.70

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Solution

The fourth proportional to 2,486,034.38, 3,729,040.93 and 688,912.70 is: 1,033,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,034.38 : 3,729,040.93 = 688,912.70 : x
  2. Step 2: Convert to fraction form
    2,486,034.38/3,729,040.93 = 688,912.70/x
  3. Step 3: Cross multiply
    2,486,034.38x = 3,729,040.93 × 688,912.70
  4. Step 4: Simplify right side
    2,486,034.38x = 2,568,983,655,496.81
  5. Step 5: Solve for x
    x = 2,568,983,655,496.81/2,486,034.38
  6. Step 6: Final answer
    x = 1,033,366.10

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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.