Home / 2,642,660.42-3,964,581.32-845,651.79

Finding the Fourth Proportional to 2,642,660.42, 3,964,581.32 and 845,651.79

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Solution

The fourth proportional to 2,642,660.42, 3,964,581.32 and 845,651.79 is: 1,268,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,660.42 : 3,964,581.32 = 845,651.79 : x
  2. Step 2: Convert to fraction form
    2,642,660.42/3,964,581.32 = 845,651.79/x
  3. Step 3: Cross multiply
    2,642,660.42x = 3,964,581.32 × 845,651.79
  4. Step 4: Simplify right side
    2,642,660.42x = 3,352,655,285,630.30
  5. Step 5: Solve for x
    x = 3,352,655,285,630.30/2,642,660.42
  6. Step 6: Final answer
    x = 1,268,666.71

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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.