Home / 2,876,726.89-3,971,375.49-2,101,487.32

Finding the Fourth Proportional to 2,876,726.89, 3,971,375.49 and 2,101,487.32

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Solution

The fourth proportional to 2,876,726.89, 3,971,375.49 and 2,101,487.32 is: 2,901,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,726.89 : 3,971,375.49 = 2,101,487.32 : x
  2. Step 2: Convert to fraction form
    2,876,726.89/3,971,375.49 = 2,101,487.32/x
  3. Step 3: Cross multiply
    2,876,726.89x = 3,971,375.49 × 2,101,487.32
  4. Step 4: Simplify right side
    2,876,726.89x = 8,345,795,235,193.79
  5. Step 5: Solve for x
    x = 8,345,795,235,193.79/2,876,726.89
  6. Step 6: Final answer
    x = 2,901,142.71

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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.