Home / 3,620,820.38-5,431,229.76-925,150.64

Finding the Fourth Proportional to 3,620,820.38, 5,431,229.76 and 925,150.64

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Solution

The fourth proportional to 3,620,820.38, 5,431,229.76 and 925,150.64 is: 1,387,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,820.38 : 5,431,229.76 = 925,150.64 : x
  2. Step 2: Convert to fraction form
    3,620,820.38/5,431,229.76 = 925,150.64/x
  3. Step 3: Cross multiply
    3,620,820.38x = 5,431,229.76 × 925,150.64
  4. Step 4: Simplify right side
    3,620,820.38x = 5,024,705,688,451.05
  5. Step 5: Solve for x
    x = 5,024,705,688,451.05/3,620,820.38
  6. Step 6: Final answer
    x = 1,387,725.75

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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.