Home / 2,124,399.72-3,187,927.26-862,227.36

Finding the Fourth Proportional to 2,124,399.72, 3,187,927.26 and 862,227.36

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Solution

The fourth proportional to 2,124,399.72, 3,187,927.26 and 862,227.36 is: 1,293,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,399.72 : 3,187,927.26 = 862,227.36 : x
  2. Step 2: Convert to fraction form
    2,124,399.72/3,187,927.26 = 862,227.36/x
  3. Step 3: Cross multiply
    2,124,399.72x = 3,187,927.26 × 862,227.36
  4. Step 4: Simplify right side
    2,124,399.72x = 2,748,718,105,261.83
  5. Step 5: Solve for x
    x = 2,748,718,105,261.83/2,124,399.72
  6. Step 6: Final answer
    x = 1,293,879.90

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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.