Home / 2,131,005.96-2,940,877.94-1,225,589

Finding the Fourth Proportional to 2,131,005.96, 2,940,877.94 and 1,225,589

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Solution

The fourth proportional to 2,131,005.96, 2,940,877.94 and 1,225,589 is: 1,691,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,005.96 : 2,940,877.94 = 1,225,589 : x
  2. Step 2: Convert to fraction form
    2,131,005.96/2,940,877.94 = 1,225,589/x
  3. Step 3: Cross multiply
    2,131,005.96x = 2,940,877.94 × 1,225,589
  4. Step 4: Simplify right side
    2,131,005.96x = 3,604,307,653,606.66
  5. Step 5: Solve for x
    x = 3,604,307,653,606.66/2,131,005.96
  6. Step 6: Final answer
    x = 1,691,364.42

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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.