Home / 1,986,336-2,741,143.68-1,080,924.48

Finding the Fourth Proportional to 1,986,336, 2,741,143.68 and 1,080,924.48

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Solution

The fourth proportional to 1,986,336, 2,741,143.68 and 1,080,924.48 is: 1,491,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,336 : 2,741,143.68 = 1,080,924.48 : x
  2. Step 2: Convert to fraction form
    1,986,336/2,741,143.68 = 1,080,924.48/x
  3. Step 3: Cross multiply
    1,986,336x = 2,741,143.68 × 1,080,924.48
  4. Step 4: Simplify right side
    1,986,336x = 2,962,969,306,909.29
  5. Step 5: Solve for x
    x = 2,962,969,306,909.29/1,986,336
  6. Step 6: Final answer
    x = 1,491,675.78

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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.