Home / 6,384,313.10-9,576,469.65-3,990,860.30

Finding the Fourth Proportional to 6,384,313.10, 9,576,469.65 and 3,990,860.30

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Solution

The fourth proportional to 6,384,313.10, 9,576,469.65 and 3,990,860.30 is: 5,986,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,313.10 : 9,576,469.65 = 3,990,860.30 : x
  2. Step 2: Convert to fraction form
    6,384,313.10/9,576,469.65 = 3,990,860.30/x
  3. Step 3: Cross multiply
    6,384,313.10x = 9,576,469.65 × 3,990,860.30
  4. Step 4: Simplify right side
    6,384,313.10x = 38,218,352,540,339.90
  5. Step 5: Solve for x
    x = 38,218,352,540,339.90/6,384,313.10
  6. Step 6: Final answer
    x = 5,986,290.45

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Similar ratio
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1.5x scale

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.