Home / 5,221,399.97-7,205,171.24-2,898,109.73

Finding the Fourth Proportional to 5,221,399.97, 7,205,171.24 and 2,898,109.73

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Solution

The fourth proportional to 5,221,399.97, 7,205,171.24 and 2,898,109.73 is: 3,999,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,399.97 : 7,205,171.24 = 2,898,109.73 : x
  2. Step 2: Convert to fraction form
    5,221,399.97/7,205,171.24 = 2,898,109.73/x
  3. Step 3: Cross multiply
    5,221,399.97x = 7,205,171.24 × 2,898,109.73
  4. Step 4: Simplify right side
    5,221,399.97x = 20,881,376,826,443.76
  5. Step 5: Solve for x
    x = 20,881,376,826,443.76/5,221,399.97
  6. Step 6: Final answer
    x = 3,999,191.21

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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.