Home / 2,775,153.06-4,162,664.79-1,279,245.06

Finding the Fourth Proportional to 2,775,153.06, 4,162,664.79 and 1,279,245.06

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Solution

The fourth proportional to 2,775,153.06, 4,162,664.79 and 1,279,245.06 is: 1,918,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,153.06 : 4,162,664.79 = 1,279,245.06 : x
  2. Step 2: Convert to fraction form
    2,775,153.06/4,162,664.79 = 1,279,245.06/x
  3. Step 3: Cross multiply
    2,775,153.06x = 4,162,664.79 × 1,279,245.06
  4. Step 4: Simplify right side
    2,775,153.06x = 5,325,068,369,043.44
  5. Step 5: Solve for x
    x = 5,325,068,369,043.44/2,775,153.06
  6. Step 6: Final answer
    x = 1,918,837.72

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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.