Home / 3,856,217.92-5,321,899.20-2,137,877.44

Finding the Fourth Proportional to 3,856,217.92, 5,321,899.20 and 2,137,877.44

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Solution

The fourth proportional to 3,856,217.92, 5,321,899.20 and 2,137,877.44 is: 2,950,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,217.92 : 5,321,899.20 = 2,137,877.44 : x
  2. Step 2: Convert to fraction form
    3,856,217.92/5,321,899.20 = 2,137,877.44/x
  3. Step 3: Cross multiply
    3,856,217.92x = 5,321,899.20 × 2,137,877.44
  4. Step 4: Simplify right side
    3,856,217.92x = 11,377,568,237,634.05
  5. Step 5: Solve for x
    x = 11,377,568,237,634.05/3,856,217.92
  6. Step 6: Final answer
    x = 2,950,447.43

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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.