Home / 3,992,744.20-5,989,116.30-1,863,043.60

Finding the Fourth Proportional to 3,992,744.20, 5,989,116.30 and 1,863,043.60

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Solution

The fourth proportional to 3,992,744.20, 5,989,116.30 and 1,863,043.60 is: 2,794,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,744.20 : 5,989,116.30 = 1,863,043.60 : x
  2. Step 2: Convert to fraction form
    3,992,744.20/5,989,116.30 = 1,863,043.60/x
  3. Step 3: Cross multiply
    3,992,744.20x = 5,989,116.30 × 1,863,043.60
  4. Step 4: Simplify right side
    3,992,744.20x = 11,157,984,792,370.68
  5. Step 5: Solve for x
    x = 11,157,984,792,370.68/3,992,744.20
  6. Step 6: Final answer
    x = 2,794,565.40

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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.