Home / 1,936,039.97-2,672,298.32-1,291,458.57

Finding the Fourth Proportional to 1,936,039.97, 2,672,298.32 and 1,291,458.57

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Solution

The fourth proportional to 1,936,039.97, 2,672,298.32 and 1,291,458.57 is: 1,782,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,039.97 : 2,672,298.32 = 1,291,458.57 : x
  2. Step 2: Convert to fraction form
    1,936,039.97/2,672,298.32 = 1,291,458.57/x
  3. Step 3: Cross multiply
    1,936,039.97x = 2,672,298.32 × 1,291,458.57
  4. Step 4: Simplify right side
    1,936,039.97x = 3,451,162,560,503.31
  5. Step 5: Solve for x
    x = 3,451,162,560,503.31/1,936,039.97
  6. Step 6: Final answer
    x = 1,782,588.49

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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.