Home / 2,003,635.20-2,765,174.04-1,239,934.80

Finding the Fourth Proportional to 2,003,635.20, 2,765,174.04 and 1,239,934.80

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Solution

The fourth proportional to 2,003,635.20, 2,765,174.04 and 1,239,934.80 is: 1,711,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,635.20 : 2,765,174.04 = 1,239,934.80 : x
  2. Step 2: Convert to fraction form
    2,003,635.20/2,765,174.04 = 1,239,934.80/x
  3. Step 3: Cross multiply
    2,003,635.20x = 2,765,174.04 × 1,239,934.80
  4. Step 4: Simplify right side
    2,003,635.20x = 3,428,635,520,252.59
  5. Step 5: Solve for x
    x = 3,428,635,520,252.59/2,003,635.20
  6. Step 6: Final answer
    x = 1,711,207.47

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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.