Home / 2,781,872.48-4,172,808.60-1,519,011.20

Finding the Fourth Proportional to 2,781,872.48, 4,172,808.60 and 1,519,011.20

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Solution

The fourth proportional to 2,781,872.48, 4,172,808.60 and 1,519,011.20 is: 2,278,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,872.48 : 4,172,808.60 = 1,519,011.20 : x
  2. Step 2: Convert to fraction form
    2,781,872.48/4,172,808.60 = 1,519,011.20/x
  3. Step 3: Cross multiply
    2,781,872.48x = 4,172,808.60 × 1,519,011.20
  4. Step 4: Simplify right side
    2,781,872.48x = 6,338,542,998,856.32
  5. Step 5: Solve for x
    x = 6,338,542,998,856.32/2,781,872.48
  6. Step 6: Final answer
    x = 2,278,516.73

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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.