Home / 2,258,418.42-3,116,215.26-1,278,352.80

Finding the Fourth Proportional to 2,258,418.42, 3,116,215.26 and 1,278,352.80

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Solution

The fourth proportional to 2,258,418.42, 3,116,215.26 and 1,278,352.80 is: 1,763,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,418.42 : 3,116,215.26 = 1,278,352.80 : x
  2. Step 2: Convert to fraction form
    2,258,418.42/3,116,215.26 = 1,278,352.80/x
  3. Step 3: Cross multiply
    2,258,418.42x = 3,116,215.26 × 1,278,352.80
  4. Step 4: Simplify right side
    2,258,418.42x = 3,983,622,503,023.73
  5. Step 5: Solve for x
    x = 3,983,622,503,023.73/2,258,418.42
  6. Step 6: Final answer
    x = 1,763,899.23

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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.