Home / 2,225,371.80-3,071,013.90-1,206,776.28

Finding the Fourth Proportional to 2,225,371.80, 3,071,013.90 and 1,206,776.28

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Solution

The fourth proportional to 2,225,371.80, 3,071,013.90 and 1,206,776.28 is: 1,665,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,371.80 : 3,071,013.90 = 1,206,776.28 : x
  2. Step 2: Convert to fraction form
    2,225,371.80/3,071,013.90 = 1,206,776.28/x
  3. Step 3: Cross multiply
    2,225,371.80x = 3,071,013.90 × 1,206,776.28
  4. Step 4: Simplify right side
    2,225,371.80x = 3,706,026,730,070.29
  5. Step 5: Solve for x
    x = 3,706,026,730,070.29/2,225,371.80
  6. Step 6: Final answer
    x = 1,665,351.71

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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.