Home / 2,757,229.40-4,135,844.10-838,136.90

Finding the Fourth Proportional to 2,757,229.40, 4,135,844.10 and 838,136.90

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Solution

The fourth proportional to 2,757,229.40, 4,135,844.10 and 838,136.90 is: 1,257,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,229.40 : 4,135,844.10 = 838,136.90 : x
  2. Step 2: Convert to fraction form
    2,757,229.40/4,135,844.10 = 838,136.90/x
  3. Step 3: Cross multiply
    2,757,229.40x = 4,135,844.10 × 838,136.90
  4. Step 4: Simplify right side
    2,757,229.40x = 3,466,403,552,857.29
  5. Step 5: Solve for x
    x = 3,466,403,552,857.29/2,757,229.40
  6. Step 6: Final answer
    x = 1,257,205.35

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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.