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Finding the Fourth Proportional to 3,876,759.08, 5,815,137.24 and 1,036,797.50

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Solution

The fourth proportional to 3,876,759.08, 5,815,137.24 and 1,036,797.50 is: 1,555,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,759.08 : 5,815,137.24 = 1,036,797.50 : x
  2. Step 2: Convert to fraction form
    3,876,759.08/5,815,137.24 = 1,036,797.50/x
  3. Step 3: Cross multiply
    3,876,759.08x = 5,815,137.24 × 1,036,797.50
  4. Step 4: Simplify right side
    3,876,759.08x = 6,029,119,752,588.90
  5. Step 5: Solve for x
    x = 6,029,119,752,588.90/3,876,759.08
  6. Step 6: Final answer
    x = 1,555,195.88

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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.