Home / 1,989,382.97-2,745,348.52-1,083,964.97

Finding the Fourth Proportional to 1,989,382.97, 2,745,348.52 and 1,083,964.97

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Solution

The fourth proportional to 1,989,382.97, 2,745,348.52 and 1,083,964.97 is: 1,495,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,382.97 : 2,745,348.52 = 1,083,964.97 : x
  2. Step 2: Convert to fraction form
    1,989,382.97/2,745,348.52 = 1,083,964.97/x
  3. Step 3: Cross multiply
    1,989,382.97x = 2,745,348.52 × 1,083,964.97
  4. Step 4: Simplify right side
    1,989,382.97x = 2,975,861,626,121.34
  5. Step 5: Solve for x
    x = 2,975,861,626,121.34/1,989,382.97
  6. Step 6: Final answer
    x = 1,495,871.67

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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.