Home / 3,199,616.87-4,800,634.05-1,921,115.81

Finding the Fourth Proportional to 3,199,616.87, 4,800,634.05 and 1,921,115.81

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Solution

The fourth proportional to 3,199,616.87, 4,800,634.05 and 1,921,115.81 is: 2,882,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,616.87 : 4,800,634.05 = 1,921,115.81 : x
  2. Step 2: Convert to fraction form
    3,199,616.87/4,800,634.05 = 1,921,115.81/x
  3. Step 3: Cross multiply
    3,199,616.87x = 4,800,634.05 × 1,921,115.81
  4. Step 4: Simplify right side
    3,199,616.87x = 9,222,573,947,476.16
  5. Step 5: Solve for x
    x = 9,222,573,947,476.16/3,199,616.87
  6. Step 6: Final answer
    x = 2,882,399.46

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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.