Home / 2,378,153.74-3,567,220.86-861,481.54

Finding the Fourth Proportional to 2,378,153.74, 3,567,220.86 and 861,481.54

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Solution

The fourth proportional to 2,378,153.74, 3,567,220.86 and 861,481.54 is: 1,292,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,153.74 : 3,567,220.86 = 861,481.54 : x
  2. Step 2: Convert to fraction form
    2,378,153.74/3,567,220.86 = 861,481.54/x
  3. Step 3: Cross multiply
    2,378,153.74x = 3,567,220.86 × 861,481.54
  4. Step 4: Simplify right side
    2,378,153.74x = 3,073,094,919,992.92
  5. Step 5: Solve for x
    x = 3,073,094,919,992.92/2,378,153.74
  6. Step 6: Final answer
    x = 1,292,218.78

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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.