Home / 3,413,998.20-5,122,965.60-1,285,609.80

Finding the Fourth Proportional to 3,413,998.20, 5,122,965.60 and 1,285,609.80

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Solution

The fourth proportional to 3,413,998.20, 5,122,965.60 and 1,285,609.80 is: 1,929,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,998.20 : 5,122,965.60 = 1,285,609.80 : x
  2. Step 2: Convert to fraction form
    3,413,998.20/5,122,965.60 = 1,285,609.80/x
  3. Step 3: Cross multiply
    3,413,998.20x = 5,122,965.60 × 1,285,609.80
  4. Step 4: Simplify right side
    3,413,998.20x = 6,586,134,780,422.88
  5. Step 5: Solve for x
    x = 6,586,134,780,422.88/3,413,998.20
  6. Step 6: Final answer
    x = 1,929,155.90

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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.