Home / 2,197,898.40-3,297,625.20-2,120,138.40

Finding the Fourth Proportional to 2,197,898.40, 3,297,625.20 and 2,120,138.40

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Solution

The fourth proportional to 2,197,898.40, 3,297,625.20 and 2,120,138.40 is: 3,180,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,898.40 : 3,297,625.20 = 2,120,138.40 : x
  2. Step 2: Convert to fraction form
    2,197,898.40/3,297,625.20 = 2,120,138.40/x
  3. Step 3: Cross multiply
    2,197,898.40x = 3,297,625.20 × 2,120,138.40
  4. Step 4: Simplify right side
    2,197,898.40x = 6,991,421,815,327.68
  5. Step 5: Solve for x
    x = 6,991,421,815,327.68/2,197,898.40
  6. Step 6: Final answer
    x = 3,180,957.69

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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.