Home / 3,991,123.76-5,989,047.60-1,468,550.48

Finding the Fourth Proportional to 3,991,123.76, 5,989,047.60 and 1,468,550.48

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Solution

The fourth proportional to 3,991,123.76, 5,989,047.60 and 1,468,550.48 is: 2,203,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,123.76 : 5,989,047.60 = 1,468,550.48 : x
  2. Step 2: Convert to fraction form
    3,991,123.76/5,989,047.60 = 1,468,550.48/x
  3. Step 3: Cross multiply
    3,991,123.76x = 5,989,047.60 × 1,468,550.48
  4. Step 4: Simplify right side
    3,991,123.76x = 8,795,218,727,722.85
  5. Step 5: Solve for x
    x = 8,795,218,727,722.85/3,991,123.76
  6. Step 6: Final answer
    x = 2,203,694.81

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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.