Home / 1,802,891.66-2,487,891.94-986,937.50

Finding the Fourth Proportional to 1,802,891.66, 2,487,891.94 and 986,937.50

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Solution

The fourth proportional to 1,802,891.66, 2,487,891.94 and 986,937.50 is: 1,361,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,891.66 : 2,487,891.94 = 986,937.50 : x
  2. Step 2: Convert to fraction form
    1,802,891.66/2,487,891.94 = 986,937.50/x
  3. Step 3: Cross multiply
    1,802,891.66x = 2,487,891.94 × 986,937.50
  4. Step 4: Simplify right side
    1,802,891.66x = 2,455,393,855,286.14
  5. Step 5: Solve for x
    x = 2,455,393,855,286.14/1,802,891.66
  6. Step 6: Final answer
    x = 1,361,919.81

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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.