Home / 3,015,938-4,161,994.44-1,727,204.78

Finding the Fourth Proportional to 3,015,938, 4,161,994.44 and 1,727,204.78

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Solution

The fourth proportional to 3,015,938, 4,161,994.44 and 1,727,204.78 is: 2,383,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,938 : 4,161,994.44 = 1,727,204.78 : x
  2. Step 2: Convert to fraction form
    3,015,938/4,161,994.44 = 1,727,204.78/x
  3. Step 3: Cross multiply
    3,015,938x = 4,161,994.44 × 1,727,204.78
  4. Step 4: Simplify right side
    3,015,938x = 7,188,616,691,101.42
  5. Step 5: Solve for x
    x = 7,188,616,691,101.42/3,015,938
  6. Step 6: Final answer
    x = 2,383,542.60

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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.