Home / 2,721,399.33-4,082,099.13-828,682.05

Finding the Fourth Proportional to 2,721,399.33, 4,082,099.13 and 828,682.05

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Solution

The fourth proportional to 2,721,399.33, 4,082,099.13 and 828,682.05 is: 1,243,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,399.33 : 4,082,099.13 = 828,682.05 : x
  2. Step 2: Convert to fraction form
    2,721,399.33/4,082,099.13 = 828,682.05/x
  3. Step 3: Cross multiply
    2,721,399.33x = 4,082,099.13 × 828,682.05
  4. Step 4: Simplify right side
    2,721,399.33x = 3,382,762,275,351.62
  5. Step 5: Solve for x
    x = 3,382,762,275,351.62/2,721,399.33
  6. Step 6: Final answer
    x = 1,243,023.12

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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.