Home / 2,772,026.20-4,158,039.30-1,279,034.20

Finding the Fourth Proportional to 2,772,026.20, 4,158,039.30 and 1,279,034.20

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Solution

The fourth proportional to 2,772,026.20, 4,158,039.30 and 1,279,034.20 is: 1,918,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,026.20 : 4,158,039.30 = 1,279,034.20 : x
  2. Step 2: Convert to fraction form
    2,772,026.20/4,158,039.30 = 1,279,034.20/x
  3. Step 3: Cross multiply
    2,772,026.20x = 4,158,039.30 × 1,279,034.20
  4. Step 4: Simplify right side
    2,772,026.20x = 5,318,274,469,644.06
  5. Step 5: Solve for x
    x = 5,318,274,469,644.06/2,772,026.20
  6. Step 6: Final answer
    x = 1,918,551.30

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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.