Home / 2,132,665.26-3,198,997.89-712,721.36

Finding the Fourth Proportional to 2,132,665.26, 3,198,997.89 and 712,721.36

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Solution

The fourth proportional to 2,132,665.26, 3,198,997.89 and 712,721.36 is: 1,069,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,665.26 : 3,198,997.89 = 712,721.36 : x
  2. Step 2: Convert to fraction form
    2,132,665.26/3,198,997.89 = 712,721.36/x
  3. Step 3: Cross multiply
    2,132,665.26x = 3,198,997.89 × 712,721.36
  4. Step 4: Simplify right side
    2,132,665.26x = 2,279,994,110,802.94
  5. Step 5: Solve for x
    x = 2,279,994,110,802.94/2,132,665.26
  6. Step 6: Final answer
    x = 1,069,082.03

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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.