Home / 3,015,936-4,161,991.68-1,727,202.78

Finding the Fourth Proportional to 3,015,936, 4,161,991.68 and 1,727,202.78

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Solution

The fourth proportional to 3,015,936, 4,161,991.68 and 1,727,202.78 is: 2,383,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,936 : 4,161,991.68 = 1,727,202.78 : x
  2. Step 2: Convert to fraction form
    3,015,936/4,161,991.68 = 1,727,202.78/x
  3. Step 3: Cross multiply
    3,015,936x = 4,161,991.68 × 1,727,202.78
  4. Step 4: Simplify right side
    3,015,936x = 7,188,603,600,032.87
  5. Step 5: Solve for x
    x = 7,188,603,600,032.87/3,015,936
  6. Step 6: Final answer
    x = 2,383,539.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.