Home / 1,989,376.43-2,745,339.49-1,083,958.43

Finding the Fourth Proportional to 1,989,376.43, 2,745,339.49 and 1,083,958.43

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Solution

The fourth proportional to 1,989,376.43, 2,745,339.49 and 1,083,958.43 is: 1,495,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,376.43 : 2,745,339.49 = 1,083,958.43 : x
  2. Step 2: Convert to fraction form
    1,989,376.43/2,745,339.49 = 1,083,958.43/x
  3. Step 3: Cross multiply
    1,989,376.43x = 2,745,339.49 × 1,083,958.43
  4. Step 4: Simplify right side
    1,989,376.43x = 2,975,833,883,397.40
  5. Step 5: Solve for x
    x = 2,975,833,883,397.40/1,989,376.43
  6. Step 6: Final answer
    x = 1,495,862.64

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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.