Home / 3,986,441.73-5,980,615.16-1,290,769.97

Finding the Fourth Proportional to 3,986,441.73, 5,980,615.16 and 1,290,769.97

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Solution

The fourth proportional to 3,986,441.73, 5,980,615.16 and 1,290,769.97 is: 1,936,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,441.73 : 5,980,615.16 = 1,290,769.97 : x
  2. Step 2: Convert to fraction form
    3,986,441.73/5,980,615.16 = 1,290,769.97/x
  3. Step 3: Cross multiply
    3,986,441.73x = 5,980,615.16 × 1,290,769.97
  4. Step 4: Simplify right side
    3,986,441.73x = 7,719,598,414,297.82
  5. Step 5: Solve for x
    x = 7,719,598,414,297.82/3,986,441.73
  6. Step 6: Final answer
    x = 1,936,463.38

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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.