Home / 3,283,824.40-4,923,112.20-1,389,007.60

Finding the Fourth Proportional to 3,283,824.40, 4,923,112.20 and 1,389,007.60

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Solution

The fourth proportional to 3,283,824.40, 4,923,112.20 and 1,389,007.60 is: 2,082,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283,824.40 : 4,923,112.20 = 1,389,007.60 : x
  2. Step 2: Convert to fraction form
    3,283,824.40/4,923,112.20 = 1,389,007.60/x
  3. Step 3: Cross multiply
    3,283,824.40x = 4,923,112.20 × 1,389,007.60
  4. Step 4: Simplify right side
    3,283,824.40x = 6,838,240,261,452.72
  5. Step 5: Solve for x
    x = 6,838,240,261,452.72/3,283,824.40
  6. Step 6: Final answer
    x = 2,082,401.32

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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.