Home / 5,161,998.74-7,123,187.89-2,839,052.39

Finding the Fourth Proportional to 5,161,998.74, 7,123,187.89 and 2,839,052.39

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Solution

The fourth proportional to 5,161,998.74, 7,123,187.89 and 2,839,052.39 is: 3,917,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,998.74 : 7,123,187.89 = 2,839,052.39 : x
  2. Step 2: Convert to fraction form
    5,161,998.74/7,123,187.89 = 2,839,052.39/x
  3. Step 3: Cross multiply
    5,161,998.74x = 7,123,187.89 × 2,839,052.39
  4. Step 4: Simplify right side
    5,161,998.74x = 20,223,103,603,523.56
  5. Step 5: Solve for x
    x = 20,223,103,603,523.56/5,161,998.74
  6. Step 6: Final answer
    x = 3,917,688.60

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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.