Home / 3,286,855.12-4,930,530.57-981,166.20

Finding the Fourth Proportional to 3,286,855.12, 4,930,530.57 and 981,166.20

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Solution

The fourth proportional to 3,286,855.12, 4,930,530.57 and 981,166.20 is: 1,471,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,855.12 : 4,930,530.57 = 981,166.20 : x
  2. Step 2: Convert to fraction form
    3,286,855.12/4,930,530.57 = 981,166.20/x
  3. Step 3: Cross multiply
    3,286,855.12x = 4,930,530.57 × 981,166.20
  4. Step 4: Simplify right side
    3,286,855.12x = 4,837,669,939,027.26
  5. Step 5: Solve for x
    x = 4,837,669,939,027.26/3,286,855.12
  6. Step 6: Final answer
    x = 1,471,823.30

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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.