Home / 1,802,940.12-2,487,962.66-986,987.43

Finding the Fourth Proportional to 1,802,940.12, 2,487,962.66 and 986,987.43

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Solution

The fourth proportional to 1,802,940.12, 2,487,962.66 and 986,987.43 is: 1,361,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,940.12 : 2,487,962.66 = 986,987.43 : x
  2. Step 2: Convert to fraction form
    1,802,940.12/2,487,962.66 = 986,987.43/x
  3. Step 3: Cross multiply
    1,802,940.12x = 2,487,962.66 × 986,987.43
  4. Step 4: Simplify right side
    1,802,940.12x = 2,455,587,866,794.43
  5. Step 5: Solve for x
    x = 2,455,587,866,794.43/1,802,940.12
  6. Step 6: Final answer
    x = 1,361,990.81

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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.