Home / 1,989,352.20-2,745,305.10-1,083,934.20

Finding the Fourth Proportional to 1,989,352.20, 2,745,305.10 and 1,083,934.20

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Solution

The fourth proportional to 1,989,352.20, 2,745,305.10 and 1,083,934.20 is: 1,495,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,352.20 : 2,745,305.10 = 1,083,934.20 : x
  2. Step 2: Convert to fraction form
    1,989,352.20/2,745,305.10 = 1,083,934.20/x
  3. Step 3: Cross multiply
    1,989,352.20x = 2,745,305.10 × 1,083,934.20
  4. Step 4: Simplify right side
    1,989,352.20x = 2,975,730,087,324.42
  5. Step 5: Solve for x
    x = 2,975,730,087,324.42/1,989,352.20
  6. Step 6: Final answer
    x = 1,495,828.69

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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.