Home / 5,642,749.96-7,789,377.90-3,809,691.36

Finding the Fourth Proportional to 5,642,749.96, 7,789,377.90 and 3,809,691.36

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Solution

The fourth proportional to 5,642,749.96, 7,789,377.90 and 3,809,691.36 is: 5,258,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,749.96 : 7,789,377.90 = 3,809,691.36 : x
  2. Step 2: Convert to fraction form
    5,642,749.96/7,789,377.90 = 3,809,691.36/x
  3. Step 3: Cross multiply
    5,642,749.96x = 7,789,377.90 × 3,809,691.36
  4. Step 4: Simplify right side
    5,642,749.96x = 29,675,125,685,404.95
  5. Step 5: Solve for x
    x = 29,675,125,685,404.95/5,642,749.96
  6. Step 6: Final answer
    x = 5,258,982.92

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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.