Home / 3,812,118.39-5,718,245.93-1,384,995.36

Finding the Fourth Proportional to 3,812,118.39, 5,718,245.93 and 1,384,995.36

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Solution

The fourth proportional to 3,812,118.39, 5,718,245.93 and 1,384,995.36 is: 2,077,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,118.39 : 5,718,245.93 = 1,384,995.36 : x
  2. Step 2: Convert to fraction form
    3,812,118.39/5,718,245.93 = 1,384,995.36/x
  3. Step 3: Cross multiply
    3,812,118.39x = 5,718,245.93 × 1,384,995.36
  4. Step 4: Simplify right side
    3,812,118.39x = 7,919,744,067,935.93
  5. Step 5: Solve for x
    x = 7,919,744,067,935.93/3,812,118.39
  6. Step 6: Final answer
    x = 2,077,517.87

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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.