Home / 3,858,942.60-5,324,991.84-2,140,057.80

Finding the Fourth Proportional to 3,858,942.60, 5,324,991.84 and 2,140,057.80

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Solution

The fourth proportional to 3,858,942.60, 5,324,991.84 and 2,140,057.80 is: 2,953,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,942.60 : 5,324,991.84 = 2,140,057.80 : x
  2. Step 2: Convert to fraction form
    3,858,942.60/5,324,991.84 = 2,140,057.80/x
  3. Step 3: Cross multiply
    3,858,942.60x = 5,324,991.84 × 2,140,057.80
  4. Step 4: Simplify right side
    3,858,942.60x = 11,395,790,322,128.35
  5. Step 5: Solve for x
    x = 11,395,790,322,128.35/3,858,942.60
  6. Step 6: Final answer
    x = 2,953,086.25

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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.