Home / 3,982,190.50-5,972,777.34-1,286,235.64

Finding the Fourth Proportional to 3,982,190.50, 5,972,777.34 and 1,286,235.64

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Solution

The fourth proportional to 3,982,190.50, 5,972,777.34 and 1,286,235.64 is: 1,929,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,190.50 : 5,972,777.34 = 1,286,235.64 : x
  2. Step 2: Convert to fraction form
    3,982,190.50/5,972,777.34 = 1,286,235.64/x
  3. Step 3: Cross multiply
    3,982,190.50x = 5,972,777.34 × 1,286,235.64
  4. Step 4: Simplify right side
    3,982,190.50x = 7,682,399,084,492.40
  5. Step 5: Solve for x
    x = 7,682,399,084,492.40/3,982,190.50
  6. Step 6: Final answer
    x = 1,929,189.25

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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.