Home / 2,757,188.40-4,135,912.20-863,991.60

Finding the Fourth Proportional to 2,757,188.40, 4,135,912.20 and 863,991.60

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Solution

The fourth proportional to 2,757,188.40, 4,135,912.20 and 863,991.60 is: 1,296,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,188.40 : 4,135,912.20 = 863,991.60 : x
  2. Step 2: Convert to fraction form
    2,757,188.40/4,135,912.20 = 863,991.60/x
  3. Step 3: Cross multiply
    2,757,188.40x = 4,135,912.20 × 863,991.60
  4. Step 4: Simplify right side
    2,757,188.40x = 3,573,393,399,137.52
  5. Step 5: Solve for x
    x = 3,573,393,399,137.52/2,757,188.40
  6. Step 6: Final answer
    x = 1,296,028.01

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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.