Home / 3,918,545.20-5,876,435.40-1,394,282.80

Finding the Fourth Proportional to 3,918,545.20, 5,876,435.40 and 1,394,282.80

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Solution

The fourth proportional to 3,918,545.20, 5,876,435.40 and 1,394,282.80 is: 2,090,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,545.20 : 5,876,435.40 = 1,394,282.80 : x
  2. Step 2: Convert to fraction form
    3,918,545.20/5,876,435.40 = 1,394,282.80/x
  3. Step 3: Cross multiply
    3,918,545.20x = 5,876,435.40 × 1,394,282.80
  4. Step 4: Simplify right side
    3,918,545.20x = 8,193,412,803,531.12
  5. Step 5: Solve for x
    x = 8,193,412,803,531.12/3,918,545.20
  6. Step 6: Final answer
    x = 2,090,932.32

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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.