Home / 2,148,745.20-2,965,269.78-1,181,949

Finding the Fourth Proportional to 2,148,745.20, 2,965,269.78 and 1,181,949

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Solution

The fourth proportional to 2,148,745.20, 2,965,269.78 and 1,181,949 is: 1,631,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,745.20 : 2,965,269.78 = 1,181,949 : x
  2. Step 2: Convert to fraction form
    2,148,745.20/2,965,269.78 = 1,181,949/x
  3. Step 3: Cross multiply
    2,148,745.20x = 2,965,269.78 × 1,181,949
  4. Step 4: Simplify right side
    2,148,745.20x = 3,504,797,651,201.22
  5. Step 5: Solve for x
    x = 3,504,797,651,201.22/2,148,745.20
  6. Step 6: Final answer
    x = 1,631,090.39

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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.