Home / 3,654,718.35-5,480,232.24-2,138,856.71

Finding the Fourth Proportional to 3,654,718.35, 5,480,232.24 and 2,138,856.71

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Solution

The fourth proportional to 3,654,718.35, 5,480,232.24 and 2,138,856.71 is: 3,207,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,718.35 : 5,480,232.24 = 2,138,856.71 : x
  2. Step 2: Convert to fraction form
    3,654,718.35/5,480,232.24 = 2,138,856.71/x
  3. Step 3: Cross multiply
    3,654,718.35x = 5,480,232.24 × 2,138,856.71
  4. Step 4: Simplify right side
    3,654,718.35x = 11,721,431,467,470.81
  5. Step 5: Solve for x
    x = 11,721,431,467,470.81/3,654,718.35
  6. Step 6: Final answer
    x = 3,207,205.14

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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.