Home / 2,177,831.20-3,263,247.60-1,820,912.80

Finding the Fourth Proportional to 2,177,831.20, 3,263,247.60 and 1,820,912.80

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Solution

The fourth proportional to 2,177,831.20, 3,263,247.60 and 1,820,912.80 is: 2,728,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,831.20 : 3,263,247.60 = 1,820,912.80 : x
  2. Step 2: Convert to fraction form
    2,177,831.20/3,263,247.60 = 1,820,912.80/x
  3. Step 3: Cross multiply
    2,177,831.20x = 3,263,247.60 × 1,820,912.80
  4. Step 4: Simplify right side
    2,177,831.20x = 5,942,089,324,409.28
  5. Step 5: Solve for x
    x = 5,942,089,324,409.28/2,177,831.20
  6. Step 6: Final answer
    x = 2,728,443.47

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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.