Home / 2,039,974.20-3,059,961.30-1,228,159.80

Finding the Fourth Proportional to 2,039,974.20, 3,059,961.30 and 1,228,159.80

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Solution

The fourth proportional to 2,039,974.20, 3,059,961.30 and 1,228,159.80 is: 1,842,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,974.20 : 3,059,961.30 = 1,228,159.80 : x
  2. Step 2: Convert to fraction form
    2,039,974.20/3,059,961.30 = 1,228,159.80/x
  3. Step 3: Cross multiply
    2,039,974.20x = 3,059,961.30 × 1,228,159.80
  4. Step 4: Simplify right side
    2,039,974.20x = 3,758,121,458,215.74
  5. Step 5: Solve for x
    x = 3,758,121,458,215.74/2,039,974.20
  6. Step 6: Final answer
    x = 1,842,239.70

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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.