Home / 2,279,621.20-3,418,994.40-682,236.40

Finding the Fourth Proportional to 2,279,621.20, 3,418,994.40 and 682,236.40

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Solution

The fourth proportional to 2,279,621.20, 3,418,994.40 and 682,236.40 is: 1,023,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,621.20 : 3,418,994.40 = 682,236.40 : x
  2. Step 2: Convert to fraction form
    2,279,621.20/3,418,994.40 = 682,236.40/x
  3. Step 3: Cross multiply
    2,279,621.20x = 3,418,994.40 × 682,236.40
  4. Step 4: Simplify right side
    2,279,621.20x = 2,332,562,431,076.16
  5. Step 5: Solve for x
    x = 2,332,562,431,076.16/2,279,621.20
  6. Step 6: Final answer
    x = 1,023,223.70

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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.