Home / 2,171,120.21-3,256,703.66-654,816.29

Finding the Fourth Proportional to 2,171,120.21, 3,256,703.66 and 654,816.29

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Solution

The fourth proportional to 2,171,120.21, 3,256,703.66 and 654,816.29 is: 982,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,120.21 : 3,256,703.66 = 654,816.29 : x
  2. Step 2: Convert to fraction form
    2,171,120.21/3,256,703.66 = 654,816.29/x
  3. Step 3: Cross multiply
    2,171,120.21x = 3,256,703.66 × 654,816.29
  4. Step 4: Simplify right side
    2,171,120.21x = 2,132,542,588,713.02
  5. Step 5: Solve for x
    x = 2,132,542,588,713.02/2,171,120.21
  6. Step 6: Final answer
    x = 982,231.47

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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.