Home / 2,278,857.20-3,414,138.60-1,855,842.80

Finding the Fourth Proportional to 2,278,857.20, 3,414,138.60 and 1,855,842.80

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Solution

The fourth proportional to 2,278,857.20, 3,414,138.60 and 1,855,842.80 is: 2,780,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,857.20 : 3,414,138.60 = 1,855,842.80 : x
  2. Step 2: Convert to fraction form
    2,278,857.20/3,414,138.60 = 1,855,842.80/x
  3. Step 3: Cross multiply
    2,278,857.20x = 3,414,138.60 × 1,855,842.80
  4. Step 4: Simplify right side
    2,278,857.20x = 6,336,104,539,012.08
  5. Step 5: Solve for x
    x = 6,336,104,539,012.08/2,278,857.20
  6. Step 6: Final answer
    x = 2,780,386.83

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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.