Home / 3,457,983.28-5,187,224.03-1,328,067.40

Finding the Fourth Proportional to 3,457,983.28, 5,187,224.03 and 1,328,067.40

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Solution

The fourth proportional to 3,457,983.28, 5,187,224.03 and 1,328,067.40 is: 1,992,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,983.28 : 5,187,224.03 = 1,328,067.40 : x
  2. Step 2: Convert to fraction form
    3,457,983.28/5,187,224.03 = 1,328,067.40/x
  3. Step 3: Cross multiply
    3,457,983.28x = 5,187,224.03 × 1,328,067.40
  4. Step 4: Simplify right side
    3,457,983.28x = 6,888,983,121,091.73
  5. Step 5: Solve for x
    x = 6,888,983,121,091.73/3,457,983.28
  6. Step 6: Final answer
    x = 1,992,196.77

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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.