Home / 1,995,452.55-2,989,734.30-928,305.90

Finding the Fourth Proportional to 1,995,452.55, 2,989,734.30 and 928,305.90

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Solution

The fourth proportional to 1,995,452.55, 2,989,734.30 and 928,305.90 is: 1,390,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,452.55 : 2,989,734.30 = 928,305.90 : x
  2. Step 2: Convert to fraction form
    1,995,452.55/2,989,734.30 = 928,305.90/x
  3. Step 3: Cross multiply
    1,995,452.55x = 2,989,734.30 × 928,305.90
  4. Step 4: Simplify right side
    1,995,452.55x = 2,775,387,990,122.37
  5. Step 5: Solve for x
    x = 2,775,387,990,122.37/1,995,452.55
  6. Step 6: Final answer
    x = 1,390,856.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.