Home / 2,268,614.80-3,403,426.76-989,429.12

Finding the Fourth Proportional to 2,268,614.80, 3,403,426.76 and 989,429.12

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Solution

The fourth proportional to 2,268,614.80, 3,403,426.76 and 989,429.12 is: 1,484,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,614.80 : 3,403,426.76 = 989,429.12 : x
  2. Step 2: Convert to fraction form
    2,268,614.80/3,403,426.76 = 989,429.12/x
  3. Step 3: Cross multiply
    2,268,614.80x = 3,403,426.76 × 989,429.12
  4. Step 4: Simplify right side
    2,268,614.80x = 3,367,449,544,131.25
  5. Step 5: Solve for x
    x = 3,367,449,544,131.25/2,268,614.80
  6. Step 6: Final answer
    x = 1,484,363.74

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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.