Home / 1,721,189.45-2,375,193.66-936,229.38

Finding the Fourth Proportional to 1,721,189.45, 2,375,193.66 and 936,229.38

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Solution

The fourth proportional to 1,721,189.45, 2,375,193.66 and 936,229.38 is: 1,291,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,189.45 : 2,375,193.66 = 936,229.38 : x
  2. Step 2: Convert to fraction form
    1,721,189.45/2,375,193.66 = 936,229.38/x
  3. Step 3: Cross multiply
    1,721,189.45x = 2,375,193.66 × 936,229.38
  4. Step 4: Simplify right side
    1,721,189.45x = 2,223,726,087,681.73
  5. Step 5: Solve for x
    x = 2,223,726,087,681.73/1,721,189.45
  6. Step 6: Final answer
    x = 1,291,970.56

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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.