Home / 2,876,243.44-3,969,211.28-1,587,082.80

Finding the Fourth Proportional to 2,876,243.44, 3,969,211.28 and 1,587,082.80

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Solution

The fourth proportional to 2,876,243.44, 3,969,211.28 and 1,587,082.80 is: 2,190,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,243.44 : 3,969,211.28 = 1,587,082.80 : x
  2. Step 2: Convert to fraction form
    2,876,243.44/3,969,211.28 = 1,587,082.80/x
  3. Step 3: Cross multiply
    2,876,243.44x = 3,969,211.28 × 1,587,082.80
  4. Step 4: Simplify right side
    2,876,243.44x = 6,299,466,952,053.98
  5. Step 5: Solve for x
    x = 6,299,466,952,053.98/2,876,243.44
  6. Step 6: Final answer
    x = 2,190,171.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.