Home / 3,543,115-4,889,761.50-2,015,714.20

Finding the Fourth Proportional to 3,543,115, 4,889,761.50 and 2,015,714.20

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Solution

The fourth proportional to 3,543,115, 4,889,761.50 and 2,015,714.20 is: 2,781,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,115 : 4,889,761.50 = 2,015,714.20 : x
  2. Step 2: Convert to fraction form
    3,543,115/4,889,761.50 = 2,015,714.20/x
  3. Step 3: Cross multiply
    3,543,115x = 4,889,761.50 × 2,015,714.20
  4. Step 4: Simplify right side
    3,543,115x = 9,856,361,690,163.30
  5. Step 5: Solve for x
    x = 9,856,361,690,163.30/3,543,115
  6. Step 6: Final answer
    x = 2,781,835.11

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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.