Home / 2,668,173.58-4,002,187.80-749,100.79

Finding the Fourth Proportional to 2,668,173.58, 4,002,187.80 and 749,100.79

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Solution

The fourth proportional to 2,668,173.58, 4,002,187.80 and 749,100.79 is: 1,123,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,173.58 : 4,002,187.80 = 749,100.79 : x
  2. Step 2: Convert to fraction form
    2,668,173.58/4,002,187.80 = 749,100.79/x
  3. Step 3: Cross multiply
    2,668,173.58x = 4,002,187.80 × 749,100.79
  4. Step 4: Simplify right side
    2,668,173.58x = 2,998,042,022,697.42
  5. Step 5: Solve for x
    x = 2,998,042,022,697.42/2,668,173.58
  6. Step 6: Final answer
    x = 1,123,630.81

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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.