Home / 2,979,459.22-4,469,633.52-1,382,183.78

Finding the Fourth Proportional to 2,979,459.22, 4,469,633.52 and 1,382,183.78

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Solution

The fourth proportional to 2,979,459.22, 4,469,633.52 and 1,382,183.78 is: 2,073,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,459.22 : 4,469,633.52 = 1,382,183.78 : x
  2. Step 2: Convert to fraction form
    2,979,459.22/4,469,633.52 = 1,382,183.78/x
  3. Step 3: Cross multiply
    2,979,459.22x = 4,469,633.52 × 1,382,183.78
  4. Step 4: Simplify right side
    2,979,459.22x = 6,177,854,953,888.31
  5. Step 5: Solve for x
    x = 6,177,854,953,888.31/2,979,459.22
  6. Step 6: Final answer
    x = 2,073,481.96

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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.