Home / 2,618,838.40-3,928,257.60-935,996.80

Finding the Fourth Proportional to 2,618,838.40, 3,928,257.60 and 935,996.80

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Solution

The fourth proportional to 2,618,838.40, 3,928,257.60 and 935,996.80 is: 1,403,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,838.40 : 3,928,257.60 = 935,996.80 : x
  2. Step 2: Convert to fraction form
    2,618,838.40/3,928,257.60 = 935,996.80/x
  3. Step 3: Cross multiply
    2,618,838.40x = 3,928,257.60 × 935,996.80
  4. Step 4: Simplify right side
    2,618,838.40x = 3,676,836,543,175.68
  5. Step 5: Solve for x
    x = 3,676,836,543,175.68/2,618,838.40
  6. Step 6: Final answer
    x = 1,403,995.20

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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.