Home / 2,138,662.88-2,950,628.19-1,220,232.23

Finding the Fourth Proportional to 2,138,662.88, 2,950,628.19 and 1,220,232.23

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Solution

The fourth proportional to 2,138,662.88, 2,950,628.19 and 1,220,232.23 is: 1,683,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,662.88 : 2,950,628.19 = 1,220,232.23 : x
  2. Step 2: Convert to fraction form
    2,138,662.88/2,950,628.19 = 1,220,232.23/x
  3. Step 3: Cross multiply
    2,138,662.88x = 2,950,628.19 × 1,220,232.23
  4. Step 4: Simplify right side
    2,138,662.88x = 3,600,451,601,431.42
  5. Step 5: Solve for x
    x = 3,600,451,601,431.42/2,138,662.88
  6. Step 6: Final answer
    x = 1,683,505.92

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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.