Home / 2,948,369.42-4,422,578.74-818,619.62

Finding the Fourth Proportional to 2,948,369.42, 4,422,578.74 and 818,619.62

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Solution

The fourth proportional to 2,948,369.42, 4,422,578.74 and 818,619.62 is: 1,227,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,369.42 : 4,422,578.74 = 818,619.62 : x
  2. Step 2: Convert to fraction form
    2,948,369.42/4,422,578.74 = 818,619.62/x
  3. Step 3: Cross multiply
    2,948,369.42x = 4,422,578.74 × 818,619.62
  4. Step 4: Simplify right side
    2,948,369.42x = 3,620,409,703,399.44
  5. Step 5: Solve for x
    x = 3,620,409,703,399.44/2,948,369.42
  6. Step 6: Final answer
    x = 1,227,936.25

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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.