Home / 3,662,805.30-5,493,459.76-1,387,545.28

Finding the Fourth Proportional to 3,662,805.30, 5,493,459.76 and 1,387,545.28

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Solution

The fourth proportional to 3,662,805.30, 5,493,459.76 and 1,387,545.28 is: 2,081,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662,805.30 : 5,493,459.76 = 1,387,545.28 : x
  2. Step 2: Convert to fraction form
    3,662,805.30/5,493,459.76 = 1,387,545.28/x
  3. Step 3: Cross multiply
    3,662,805.30x = 5,493,459.76 × 1,387,545.28
  4. Step 4: Simplify right side
    3,662,805.30x = 7,622,424,160,857.93
  5. Step 5: Solve for x
    x = 7,622,424,160,857.93/3,662,805.30
  6. Step 6: Final answer
    x = 2,081,034.49

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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.