Home / 2,948,390.04-4,422,609.68-818,640.24

Finding the Fourth Proportional to 2,948,390.04, 4,422,609.68 and 818,640.24

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Solution

The fourth proportional to 2,948,390.04, 4,422,609.68 and 818,640.24 is: 1,227,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,390.04 : 4,422,609.68 = 818,640.24 : x
  2. Step 2: Convert to fraction form
    2,948,390.04/4,422,609.68 = 818,640.24/x
  3. Step 3: Cross multiply
    2,948,390.04x = 4,422,609.68 × 818,640.24
  4. Step 4: Simplify right side
    2,948,390.04x = 3,620,526,245,768.32
  5. Step 5: Solve for x
    x = 3,620,526,245,768.32/2,948,390.04
  6. Step 6: Final answer
    x = 1,227,967.19

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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.