Home / 2,158,542.78-3,237,249.94-641,817.24

Finding the Fourth Proportional to 2,158,542.78, 3,237,249.94 and 641,817.24

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Solution

The fourth proportional to 2,158,542.78, 3,237,249.94 and 641,817.24 is: 962,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,542.78 : 3,237,249.94 = 641,817.24 : x
  2. Step 2: Convert to fraction form
    2,158,542.78/3,237,249.94 = 641,817.24/x
  3. Step 3: Cross multiply
    2,158,542.78x = 3,237,249.94 × 641,817.24
  4. Step 4: Simplify right side
    2,158,542.78x = 2,077,722,821,680.97
  5. Step 5: Solve for x
    x = 2,077,722,821,680.97/2,158,542.78
  6. Step 6: Final answer
    x = 962,558.09

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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.