Home / 2,639,736-3,642,835.68-1,432,512

Finding the Fourth Proportional to 2,639,736, 3,642,835.68 and 1,432,512

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Solution

The fourth proportional to 2,639,736, 3,642,835.68 and 1,432,512 is: 1,976,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,736 : 3,642,835.68 = 1,432,512 : x
  2. Step 2: Convert to fraction form
    2,639,736/3,642,835.68 = 1,432,512/x
  3. Step 3: Cross multiply
    2,639,736x = 3,642,835.68 × 1,432,512
  4. Step 4: Simplify right side
    2,639,736x = 5,218,405,825,628.16
  5. Step 5: Solve for x
    x = 5,218,405,825,628.16/2,639,736
  6. Step 6: Final answer
    x = 1,976,866.56

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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.