Home / 2,236,826.20-3,086,855.32-1,218,230.16

Finding the Fourth Proportional to 2,236,826.20, 3,086,855.32 and 1,218,230.16

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Solution

The fourth proportional to 2,236,826.20, 3,086,855.32 and 1,218,230.16 is: 1,681,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,826.20 : 3,086,855.32 = 1,218,230.16 : x
  2. Step 2: Convert to fraction form
    2,236,826.20/3,086,855.32 = 1,218,230.16/x
  3. Step 3: Cross multiply
    2,236,826.20x = 3,086,855.32 × 1,218,230.16
  4. Step 4: Simplify right side
    2,236,826.20x = 3,760,500,250,380.45
  5. Step 5: Solve for x
    x = 3,760,500,250,380.45/2,236,826.20
  6. Step 6: Final answer
    x = 1,681,176.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.