Home / 1,721,190.95-2,375,195.73-936,230.88

Finding the Fourth Proportional to 1,721,190.95, 2,375,195.73 and 936,230.88

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Solution

The fourth proportional to 1,721,190.95, 2,375,195.73 and 936,230.88 is: 1,291,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,190.95 : 2,375,195.73 = 936,230.88 : x
  2. Step 2: Convert to fraction form
    1,721,190.95/2,375,195.73 = 936,230.88/x
  3. Step 3: Cross multiply
    1,721,190.95x = 2,375,195.73 × 936,230.88
  4. Step 4: Simplify right side
    1,721,190.95x = 2,223,731,588,470.14
  5. Step 5: Solve for x
    x = 2,223,731,588,470.14/1,721,190.95
  6. Step 6: Final answer
    x = 1,291,972.63

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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.