Home / 1,917,824.76-2,647,593.09-1,400,998.38

Finding the Fourth Proportional to 1,917,824.76, 2,647,593.09 and 1,400,998.38

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Solution

The fourth proportional to 1,917,824.76, 2,647,593.09 and 1,400,998.38 is: 1,934,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,824.76 : 2,647,593.09 = 1,400,998.38 : x
  2. Step 2: Convert to fraction form
    1,917,824.76/2,647,593.09 = 1,400,998.38/x
  3. Step 3: Cross multiply
    1,917,824.76x = 2,647,593.09 × 1,400,998.38
  4. Step 4: Simplify right side
    1,917,824.76x = 3,709,273,629,989.19
  5. Step 5: Solve for x
    x = 3,709,273,629,989.19/1,917,824.76
  6. Step 6: Final answer
    x = 1,934,104.57

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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.