Home / 2,379,268.57-3,283,394.79-1,291,540.88

Finding the Fourth Proportional to 2,379,268.57, 3,283,394.79 and 1,291,540.88

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Solution

The fourth proportional to 2,379,268.57, 3,283,394.79 and 1,291,540.88 is: 1,782,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,268.57 : 3,283,394.79 = 1,291,540.88 : x
  2. Step 2: Convert to fraction form
    2,379,268.57/3,283,394.79 = 1,291,540.88/x
  3. Step 3: Cross multiply
    2,379,268.57x = 3,283,394.79 × 1,291,540.88
  4. Step 4: Simplify right side
    2,379,268.57x = 4,240,638,595,324.87
  5. Step 5: Solve for x
    x = 4,240,638,595,324.87/2,379,268.57
  6. Step 6: Final answer
    x = 1,782,328.68

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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.