Home / 2,772,076.20-4,158,114.30-1,279,084.20

Finding the Fourth Proportional to 2,772,076.20, 4,158,114.30 and 1,279,084.20

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Solution

The fourth proportional to 2,772,076.20, 4,158,114.30 and 1,279,084.20 is: 1,918,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,076.20 : 4,158,114.30 = 1,279,084.20 : x
  2. Step 2: Convert to fraction form
    2,772,076.20/4,158,114.30 = 1,279,084.20/x
  3. Step 3: Cross multiply
    2,772,076.20x = 4,158,114.30 × 1,279,084.20
  4. Step 4: Simplify right side
    2,772,076.20x = 5,318,578,302,924.06
  5. Step 5: Solve for x
    x = 5,318,578,302,924.06/2,772,076.20
  6. Step 6: Final answer
    x = 1,918,626.30

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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.