Home / 2,217,679.80-3,326,519.70-1,209,910.20

Finding the Fourth Proportional to 2,217,679.80, 3,326,519.70 and 1,209,910.20

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Solution

The fourth proportional to 2,217,679.80, 3,326,519.70 and 1,209,910.20 is: 1,814,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,679.80 : 3,326,519.70 = 1,209,910.20 : x
  2. Step 2: Convert to fraction form
    2,217,679.80/3,326,519.70 = 1,209,910.20/x
  3. Step 3: Cross multiply
    2,217,679.80x = 3,326,519.70 × 1,209,910.20
  4. Step 4: Simplify right side
    2,217,679.80x = 4,024,790,115,530.94
  5. Step 5: Solve for x
    x = 4,024,790,115,530.94/2,217,679.80
  6. Step 6: Final answer
    x = 1,814,865.30

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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.