Home / 2,102,998.92-3,161,083.71-1,387,936.26

Finding the Fourth Proportional to 2,102,998.92, 3,161,083.71 and 1,387,936.26

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Solution

The fourth proportional to 2,102,998.92, 3,161,083.71 and 1,387,936.26 is: 2,086,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,998.92 : 3,161,083.71 = 1,387,936.26 : x
  2. Step 2: Convert to fraction form
    2,102,998.92/3,161,083.71 = 1,387,936.26/x
  3. Step 3: Cross multiply
    2,102,998.92x = 3,161,083.71 × 1,387,936.26
  4. Step 4: Simplify right side
    2,102,998.92x = 4,387,382,702,004.33
  5. Step 5: Solve for x
    x = 4,387,382,702,004.33/2,102,998.92
  6. Step 6: Final answer
    x = 2,086,250.57

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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.