Home / 3,383,969.70-5,074,379.92-1,253,481.78

Finding the Fourth Proportional to 3,383,969.70, 5,074,379.92 and 1,253,481.78

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Solution

The fourth proportional to 3,383,969.70, 5,074,379.92 and 1,253,481.78 is: 1,879,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383,969.70 : 5,074,379.92 = 1,253,481.78 : x
  2. Step 2: Convert to fraction form
    3,383,969.70/5,074,379.92 = 1,253,481.78/x
  3. Step 3: Cross multiply
    3,383,969.70x = 5,074,379.92 × 1,253,481.78
  4. Step 4: Simplify right side
    3,383,969.70x = 6,360,642,788,062.80
  5. Step 5: Solve for x
    x = 6,360,642,788,062.80/3,383,969.70
  6. Step 6: Final answer
    x = 1,879,639.40

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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.