Home / 2,486,042.14-3,729,052.56-688,920.46

Finding the Fourth Proportional to 2,486,042.14, 3,729,052.56 and 688,920.46

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Solution

The fourth proportional to 2,486,042.14, 3,729,052.56 and 688,920.46 is: 1,033,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,042.14 : 3,729,052.56 = 688,920.46 : x
  2. Step 2: Convert to fraction form
    2,486,042.14/3,729,052.56 = 688,920.46/x
  3. Step 3: Cross multiply
    2,486,042.14x = 3,729,052.56 × 688,920.46
  4. Step 4: Simplify right side
    2,486,042.14x = 2,569,020,604,999.38
  5. Step 5: Solve for x
    x = 2,569,020,604,999.38/2,486,042.14
  6. Step 6: Final answer
    x = 1,033,377.74

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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.