Home / 3,568,254.86-4,921,951.92-2,116,922.78

Finding the Fourth Proportional to 3,568,254.86, 4,921,951.92 and 2,116,922.78

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Solution

The fourth proportional to 3,568,254.86, 4,921,951.92 and 2,116,922.78 is: 2,920,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568,254.86 : 4,921,951.92 = 2,116,922.78 : x
  2. Step 2: Convert to fraction form
    3,568,254.86/4,921,951.92 = 2,116,922.78/x
  3. Step 3: Cross multiply
    3,568,254.86x = 4,921,951.92 × 2,116,922.78
  4. Step 4: Simplify right side
    3,568,254.86x = 10,419,392,141,512.74
  5. Step 5: Solve for x
    x = 10,419,392,141,512.74/3,568,254.86
  6. Step 6: Final answer
    x = 2,920,024.65

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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.