Home / 3,942,173.38-5,439,873.42-2,223,716.26

Finding the Fourth Proportional to 3,942,173.38, 5,439,873.42 and 2,223,716.26

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Solution

The fourth proportional to 3,942,173.38, 5,439,873.42 and 2,223,716.26 is: 3,068,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,173.38 : 5,439,873.42 = 2,223,716.26 : x
  2. Step 2: Convert to fraction form
    3,942,173.38/5,439,873.42 = 2,223,716.26/x
  3. Step 3: Cross multiply
    3,942,173.38x = 5,439,873.42 × 2,223,716.26
  4. Step 4: Simplify right side
    3,942,173.38x = 12,096,734,976,395.81
  5. Step 5: Solve for x
    x = 12,096,734,976,395.81/3,942,173.38
  6. Step 6: Final answer
    x = 3,068,544.64

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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.