Home / 2,172,910.31-3,262,565.03-1,215,242.23

Finding the Fourth Proportional to 2,172,910.31, 3,262,565.03 and 1,215,242.23

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Solution

The fourth proportional to 2,172,910.31, 3,262,565.03 and 1,215,242.23 is: 1,824,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,910.31 : 3,262,565.03 = 1,215,242.23 : x
  2. Step 2: Convert to fraction form
    2,172,910.31/3,262,565.03 = 1,215,242.23/x
  3. Step 3: Cross multiply
    2,172,910.31x = 3,262,565.03 × 1,215,242.23
  4. Step 4: Simplify right side
    2,172,910.31x = 3,964,806,802,577.22
  5. Step 5: Solve for x
    x = 3,964,806,802,577.22/2,172,910.31
  6. Step 6: Final answer
    x = 1,824,652.76

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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.