Home / 1,682,243.21-2,322,049.20-1,338,709.25

Finding the Fourth Proportional to 1,682,243.21, 2,322,049.20 and 1,338,709.25

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Solution

The fourth proportional to 1,682,243.21, 2,322,049.20 and 1,338,709.25 is: 1,847,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,243.21 : 2,322,049.20 = 1,338,709.25 : x
  2. Step 2: Convert to fraction form
    1,682,243.21/2,322,049.20 = 1,338,709.25/x
  3. Step 3: Cross multiply
    1,682,243.21x = 2,322,049.20 × 1,338,709.25
  4. Step 4: Simplify right side
    1,682,243.21x = 3,108,548,742,995.10
  5. Step 5: Solve for x
    x = 3,108,548,742,995.10/1,682,243.21
  6. Step 6: Final answer
    x = 1,847,859.29

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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.