Home / 3,104,831.20-4,284,555.60-1,728,129.28

Finding the Fourth Proportional to 3,104,831.20, 4,284,555.60 and 1,728,129.28

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Solution

The fourth proportional to 3,104,831.20, 4,284,555.60 and 1,728,129.28 is: 2,384,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104,831.20 : 4,284,555.60 = 1,728,129.28 : x
  2. Step 2: Convert to fraction form
    3,104,831.20/4,284,555.60 = 1,728,129.28/x
  3. Step 3: Cross multiply
    3,104,831.20x = 4,284,555.60 × 1,728,129.28
  4. Step 4: Simplify right side
    3,104,831.20x = 7,404,265,984,147.97
  5. Step 5: Solve for x
    x = 7,404,265,984,147.97/3,104,831.20
  6. Step 6: Final answer
    x = 2,384,756.37

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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.