Home / 1,921,178.44-2,880,212.46-800,086.60

Finding the Fourth Proportional to 1,921,178.44, 2,880,212.46 and 800,086.60

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Solution

The fourth proportional to 1,921,178.44, 2,880,212.46 and 800,086.60 is: 1,199,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,178.44 : 2,880,212.46 = 800,086.60 : x
  2. Step 2: Convert to fraction form
    1,921,178.44/2,880,212.46 = 800,086.60/x
  3. Step 3: Cross multiply
    1,921,178.44x = 2,880,212.46 × 800,086.60
  4. Step 4: Simplify right side
    1,921,178.44x = 2,304,419,394,399.04
  5. Step 5: Solve for x
    x = 2,304,419,394,399.04/1,921,178.44
  6. Step 6: Final answer
    x = 1,199,482.23

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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.