Home / 5,811,418.60-8,019,831.47-3,198,223.55

Finding the Fourth Proportional to 5,811,418.60, 8,019,831.47 and 3,198,223.55

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Solution

The fourth proportional to 5,811,418.60, 8,019,831.47 and 3,198,223.55 is: 4,413,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811,418.60 : 8,019,831.47 = 3,198,223.55 : x
  2. Step 2: Convert to fraction form
    5,811,418.60/8,019,831.47 = 3,198,223.55/x
  3. Step 3: Cross multiply
    5,811,418.60x = 8,019,831.47 × 3,198,223.55
  4. Step 4: Simplify right side
    5,811,418.60x = 25,649,213,874,385.12
  5. Step 5: Solve for x
    x = 25,649,213,874,385.12/5,811,418.60
  6. Step 6: Final answer
    x = 4,413,589.11

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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.