Home / 2,928,040.30-4,040,121.27-1,839,681.28

Finding the Fourth Proportional to 2,928,040.30, 4,040,121.27 and 1,839,681.28

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Solution

The fourth proportional to 2,928,040.30, 4,040,121.27 and 1,839,681.28 is: 2,538,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,040.30 : 4,040,121.27 = 1,839,681.28 : x
  2. Step 2: Convert to fraction form
    2,928,040.30/4,040,121.27 = 1,839,681.28/x
  3. Step 3: Cross multiply
    2,928,040.30x = 4,040,121.27 × 1,839,681.28
  4. Step 4: Simplify right side
    2,928,040.30x = 7,432,535,469,348.83
  5. Step 5: Solve for x
    x = 7,432,535,469,348.83/2,928,040.30
  6. Step 6: Final answer
    x = 2,538,399.31

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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.