Home / 2,877,672.30-4,318,063.65-1,280,481.90

Finding the Fourth Proportional to 2,877,672.30, 4,318,063.65 and 1,280,481.90

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Solution

The fourth proportional to 2,877,672.30, 4,318,063.65 and 1,280,481.90 is: 1,921,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,672.30 : 4,318,063.65 = 1,280,481.90 : x
  2. Step 2: Convert to fraction form
    2,877,672.30/4,318,063.65 = 1,280,481.90/x
  3. Step 3: Cross multiply
    2,877,672.30x = 4,318,063.65 × 1,280,481.90
  4. Step 4: Simplify right side
    2,877,672.30x = 5,529,202,346,872.94
  5. Step 5: Solve for x
    x = 5,529,202,346,872.94/2,877,672.30
  6. Step 6: Final answer
    x = 1,921,414.87

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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.