Home / 2,197,896.40-3,297,622.20-2,120,136.40

Finding the Fourth Proportional to 2,197,896.40, 3,297,622.20 and 2,120,136.40

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Solution

The fourth proportional to 2,197,896.40, 3,297,622.20 and 2,120,136.40 is: 3,180,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,896.40 : 3,297,622.20 = 2,120,136.40 : x
  2. Step 2: Convert to fraction form
    2,197,896.40/3,297,622.20 = 2,120,136.40/x
  3. Step 3: Cross multiply
    2,197,896.40x = 3,297,622.20 × 2,120,136.40
  4. Step 4: Simplify right side
    2,197,896.40x = 6,991,408,859,668.08
  5. Step 5: Solve for x
    x = 6,991,408,859,668.08/2,197,896.40
  6. Step 6: Final answer
    x = 3,180,954.69

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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.