Home / 3,221,893.98-4,442,086.26-2,638,969.64

Finding the Fourth Proportional to 3,221,893.98, 4,442,086.26 and 2,638,969.64

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Solution

The fourth proportional to 3,221,893.98, 4,442,086.26 and 2,638,969.64 is: 3,638,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,893.98 : 4,442,086.26 = 2,638,969.64 : x
  2. Step 2: Convert to fraction form
    3,221,893.98/4,442,086.26 = 2,638,969.64/x
  3. Step 3: Cross multiply
    3,221,893.98x = 4,442,086.26 × 2,638,969.64
  4. Step 4: Simplify right side
    3,221,893.98x = 11,722,530,778,401.15
  5. Step 5: Solve for x
    x = 11,722,530,778,401.15/3,221,893.98
  6. Step 6: Final answer
    x = 3,638,397.43

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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.