Home / 2,278,930.86-3,144,575.20-1,311,874.29

Finding the Fourth Proportional to 2,278,930.86, 3,144,575.20 and 1,311,874.29

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Solution

The fourth proportional to 2,278,930.86, 3,144,575.20 and 1,311,874.29 is: 1,810,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,930.86 : 3,144,575.20 = 1,311,874.29 : x
  2. Step 2: Convert to fraction form
    2,278,930.86/3,144,575.20 = 1,311,874.29/x
  3. Step 3: Cross multiply
    2,278,930.86x = 3,144,575.20 × 1,311,874.29
  4. Step 4: Simplify right side
    2,278,930.86x = 4,125,287,357,851.61
  5. Step 5: Solve for x
    x = 4,125,287,357,851.61/2,278,930.86
  6. Step 6: Final answer
    x = 1,810,185.39

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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.