Home / 3,015,939-4,161,995.82-1,727,205.78

Finding the Fourth Proportional to 3,015,939, 4,161,995.82 and 1,727,205.78

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Solution

The fourth proportional to 3,015,939, 4,161,995.82 and 1,727,205.78 is: 2,383,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,939 : 4,161,995.82 = 1,727,205.78 : x
  2. Step 2: Convert to fraction form
    3,015,939/4,161,995.82 = 1,727,205.78/x
  3. Step 3: Cross multiply
    3,015,939x = 4,161,995.82 × 1,727,205.78
  4. Step 4: Simplify right side
    3,015,939x = 7,188,623,236,639.84
  5. Step 5: Solve for x
    x = 7,188,623,236,639.84/3,015,939
  6. Step 6: Final answer
    x = 2,383,543.98

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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.