Home / 2,039,960.20-3,059,940.30-1,228,145.80

Finding the Fourth Proportional to 2,039,960.20, 3,059,940.30 and 1,228,145.80

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Solution

The fourth proportional to 2,039,960.20, 3,059,940.30 and 1,228,145.80 is: 1,842,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,960.20 : 3,059,940.30 = 1,228,145.80 : x
  2. Step 2: Convert to fraction form
    2,039,960.20/3,059,940.30 = 1,228,145.80/x
  3. Step 3: Cross multiply
    2,039,960.20x = 3,059,940.30 × 1,228,145.80
  4. Step 4: Simplify right side
    2,039,960.20x = 3,758,052,827,695.74
  5. Step 5: Solve for x
    x = 3,758,052,827,695.74/2,039,960.20
  6. Step 6: Final answer
    x = 1,842,218.70

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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.