Home / 4,178,613-6,268,380.30-1,338,057.48

Finding the Fourth Proportional to 4,178,613, 6,268,380.30 and 1,338,057.48

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Solution

The fourth proportional to 4,178,613, 6,268,380.30 and 1,338,057.48 is: 2,007,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,613 : 6,268,380.30 = 1,338,057.48 : x
  2. Step 2: Convert to fraction form
    4,178,613/6,268,380.30 = 1,338,057.48/x
  3. Step 3: Cross multiply
    4,178,613x = 6,268,380.30 × 1,338,057.48
  4. Step 4: Simplify right side
    4,178,613x = 8,387,453,147,899.64
  5. Step 5: Solve for x
    x = 8,387,453,147,899.64/4,178,613
  6. Step 6: Final answer
    x = 2,007,233.78

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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.