Home / 3,917,289.76-5,405,956.56-2,198,540.96

Finding the Fourth Proportional to 3,917,289.76, 5,405,956.56 and 2,198,540.96

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Solution

The fourth proportional to 3,917,289.76, 5,405,956.56 and 2,198,540.96 is: 3,034,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,289.76 : 5,405,956.56 = 2,198,540.96 : x
  2. Step 2: Convert to fraction form
    3,917,289.76/5,405,956.56 = 2,198,540.96/x
  3. Step 3: Cross multiply
    3,917,289.76x = 5,405,956.56 × 2,198,540.96
  4. Step 4: Simplify right side
    3,917,289.76x = 11,885,216,925,140.70
  5. Step 5: Solve for x
    x = 11,885,216,925,140.70/3,917,289.76
  6. Step 6: Final answer
    x = 3,034,040.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.