Home / 3,621,521.20-5,424,408.60-2,199,096.40

Finding the Fourth Proportional to 3,621,521.20, 5,424,408.60 and 2,199,096.40

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Solution

The fourth proportional to 3,621,521.20, 5,424,408.60 and 2,199,096.40 is: 3,293,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,521.20 : 5,424,408.60 = 2,199,096.40 : x
  2. Step 2: Convert to fraction form
    3,621,521.20/5,424,408.60 = 2,199,096.40/x
  3. Step 3: Cross multiply
    3,621,521.20x = 5,424,408.60 × 2,199,096.40
  4. Step 4: Simplify right side
    3,621,521.20x = 11,928,797,424,389.04
  5. Step 5: Solve for x
    x = 11,928,797,424,389.04/3,621,521.20
  6. Step 6: Final answer
    x = 3,293,863.76

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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.