Home / 2,080,874.20-3,121,311.30-1,956,458.20

Finding the Fourth Proportional to 2,080,874.20, 3,121,311.30 and 1,956,458.20

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Solution

The fourth proportional to 2,080,874.20, 3,121,311.30 and 1,956,458.20 is: 2,934,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,874.20 : 3,121,311.30 = 1,956,458.20 : x
  2. Step 2: Convert to fraction form
    2,080,874.20/3,121,311.30 = 1,956,458.20/x
  3. Step 3: Cross multiply
    2,080,874.20x = 3,121,311.30 × 1,956,458.20
  4. Step 4: Simplify right side
    2,080,874.20x = 6,106,715,087,637.66
  5. Step 5: Solve for x
    x = 6,106,715,087,637.66/2,080,874.20
  6. Step 6: Final answer
    x = 2,934,687.30

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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.