Home / 3,856,972.68-5,322,670.38-2,225,718.54

Finding the Fourth Proportional to 3,856,972.68, 5,322,670.38 and 2,225,718.54

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Solution

The fourth proportional to 3,856,972.68, 5,322,670.38 and 2,225,718.54 is: 3,071,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,972.68 : 5,322,670.38 = 2,225,718.54 : x
  2. Step 2: Convert to fraction form
    3,856,972.68/5,322,670.38 = 2,225,718.54/x
  3. Step 3: Cross multiply
    3,856,972.68x = 5,322,670.38 × 2,225,718.54
  4. Step 4: Simplify right side
    3,856,972.68x = 11,846,766,147,074.85
  5. Step 5: Solve for x
    x = 11,846,766,147,074.85/3,856,972.68
  6. Step 6: Final answer
    x = 3,071,519.33

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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.