Home / 3,268,627.20-4,902,940.80-1,993,168.80

Finding the Fourth Proportional to 3,268,627.20, 4,902,940.80 and 1,993,168.80

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Solution

The fourth proportional to 3,268,627.20, 4,902,940.80 and 1,993,168.80 is: 2,989,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268,627.20 : 4,902,940.80 = 1,993,168.80 : x
  2. Step 2: Convert to fraction form
    3,268,627.20/4,902,940.80 = 1,993,168.80/x
  3. Step 3: Cross multiply
    3,268,627.20x = 4,902,940.80 × 1,993,168.80
  4. Step 4: Simplify right side
    3,268,627.20x = 9,772,388,630,807.04
  5. Step 5: Solve for x
    x = 9,772,388,630,807.04/3,268,627.20
  6. Step 6: Final answer
    x = 2,989,753.20

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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.