Home / 2,650,831.32-3,976,135.92-853,675.02

Finding the Fourth Proportional to 2,650,831.32, 3,976,135.92 and 853,675.02

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Solution

The fourth proportional to 2,650,831.32, 3,976,135.92 and 853,675.02 is: 1,280,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,831.32 : 3,976,135.92 = 853,675.02 : x
  2. Step 2: Convert to fraction form
    2,650,831.32/3,976,135.92 = 853,675.02/x
  3. Step 3: Cross multiply
    2,650,831.32x = 3,976,135.92 × 853,675.02
  4. Step 4: Simplify right side
    2,650,831.32x = 3,394,327,911,028.72
  5. Step 5: Solve for x
    x = 3,394,327,911,028.72/2,650,831.32
  6. Step 6: Final answer
    x = 1,280,476.76

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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.