Home / 2,948,391.29-4,422,611.55-818,641.49

Finding the Fourth Proportional to 2,948,391.29, 4,422,611.55 and 818,641.49

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Solution

The fourth proportional to 2,948,391.29, 4,422,611.55 and 818,641.49 is: 1,227,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,391.29 : 4,422,611.55 = 818,641.49 : x
  2. Step 2: Convert to fraction form
    2,948,391.29/4,422,611.55 = 818,641.49/x
  3. Step 3: Cross multiply
    2,948,391.29x = 4,422,611.55 × 818,641.49
  4. Step 4: Simplify right side
    2,948,391.29x = 3,620,533,308,983.21
  5. Step 5: Solve for x
    x = 3,620,533,308,983.21/2,948,391.29
  6. Step 6: Final answer
    x = 1,227,969.07

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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.