Home / 2,948,389.92-4,422,609.49-818,640.12

Finding the Fourth Proportional to 2,948,389.92, 4,422,609.49 and 818,640.12

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Solution

The fourth proportional to 2,948,389.92, 4,422,609.49 and 818,640.12 is: 1,227,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,389.92 : 4,422,609.49 = 818,640.12 : x
  2. Step 2: Convert to fraction form
    2,948,389.92/4,422,609.49 = 818,640.12/x
  3. Step 3: Cross multiply
    2,948,389.92x = 4,422,609.49 × 818,640.12
  4. Step 4: Simplify right side
    2,948,389.92x = 3,620,525,541,493.69
  5. Step 5: Solve for x
    x = 3,620,525,541,493.69/2,948,389.92
  6. Step 6: Final answer
    x = 1,227,967.01

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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.