Home / 2,122,500.60-3,179,085.30-1,279,582.20

Finding the Fourth Proportional to 2,122,500.60, 3,179,085.30 and 1,279,582.20

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Solution

The fourth proportional to 2,122,500.60, 3,179,085.30 and 1,279,582.20 is: 1,916,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,500.60 : 3,179,085.30 = 1,279,582.20 : x
  2. Step 2: Convert to fraction form
    2,122,500.60/3,179,085.30 = 1,279,582.20/x
  3. Step 3: Cross multiply
    2,122,500.60x = 3,179,085.30 × 1,279,582.20
  4. Step 4: Simplify right side
    2,122,500.60x = 4,067,900,962,161.66
  5. Step 5: Solve for x
    x = 4,067,900,962,161.66/2,122,500.60
  6. Step 6: Final answer
    x = 1,916,560.57

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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.