Home / 3,836,642.80-5,759,629.80-1,942,409.20

Finding the Fourth Proportional to 3,836,642.80, 5,759,629.80 and 1,942,409.20

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Solution

The fourth proportional to 3,836,642.80, 5,759,629.80 and 1,942,409.20 is: 2,915,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,642.80 : 5,759,629.80 = 1,942,409.20 : x
  2. Step 2: Convert to fraction form
    3,836,642.80/5,759,629.80 = 1,942,409.20/x
  3. Step 3: Cross multiply
    3,836,642.80x = 5,759,629.80 × 1,942,409.20
  4. Step 4: Simplify right side
    3,836,642.80x = 11,187,557,912,114.16
  5. Step 5: Solve for x
    x = 11,187,557,912,114.16/3,836,642.80
  6. Step 6: Final answer
    x = 2,915,975.89

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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.