Home / 1,989,375.43-2,745,338.11-1,083,957.43

Finding the Fourth Proportional to 1,989,375.43, 2,745,338.11 and 1,083,957.43

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Solution

The fourth proportional to 1,989,375.43, 2,745,338.11 and 1,083,957.43 is: 1,495,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,375.43 : 2,745,338.11 = 1,083,957.43 : x
  2. Step 2: Convert to fraction form
    1,989,375.43/2,745,338.11 = 1,083,957.43/x
  3. Step 3: Cross multiply
    1,989,375.43x = 2,745,338.11 × 1,083,957.43
  4. Step 4: Simplify right side
    1,989,375.43x = 2,975,829,628,469.97
  5. Step 5: Solve for x
    x = 2,975,829,628,469.97/1,989,375.43
  6. Step 6: Final answer
    x = 1,495,861.26

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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.