Home / 3,621,172.20-5,423,885.10-2,198,747.40

Finding the Fourth Proportional to 3,621,172.20, 5,423,885.10 and 2,198,747.40

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Solution

The fourth proportional to 3,621,172.20, 5,423,885.10 and 2,198,747.40 is: 3,293,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,172.20 : 5,423,885.10 = 2,198,747.40 : x
  2. Step 2: Convert to fraction form
    3,621,172.20/5,423,885.10 = 2,198,747.40/x
  3. Step 3: Cross multiply
    3,621,172.20x = 5,423,885.10 × 2,198,747.40
  4. Step 4: Simplify right side
    3,621,172.20x = 11,925,753,261,523.74
  5. Step 5: Solve for x
    x = 11,925,753,261,523.74/3,621,172.20
  6. Step 6: Final answer
    x = 3,293,340.55

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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.