Home / 3,945,211.20-5,917,379.40-3,233,998.80

Finding the Fourth Proportional to 3,945,211.20, 5,917,379.40 and 3,233,998.80

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Solution

The fourth proportional to 3,945,211.20, 5,917,379.40 and 3,233,998.80 is: 4,850,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,211.20 : 5,917,379.40 = 3,233,998.80 : x
  2. Step 2: Convert to fraction form
    3,945,211.20/5,917,379.40 = 3,233,998.80/x
  3. Step 3: Cross multiply
    3,945,211.20x = 5,917,379.40 × 3,233,998.80
  4. Step 4: Simplify right side
    3,945,211.20x = 19,136,797,878,744.72
  5. Step 5: Solve for x
    x = 19,136,797,878,744.72/3,945,211.20
  6. Step 6: Final answer
    x = 4,850,639.65

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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.