Home / 3,311,674.22-4,969,438.64-1,392,446.40

Finding the Fourth Proportional to 3,311,674.22, 4,969,438.64 and 1,392,446.40

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Solution

The fourth proportional to 3,311,674.22, 4,969,438.64 and 1,392,446.40 is: 2,089,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,674.22 : 4,969,438.64 = 1,392,446.40 : x
  2. Step 2: Convert to fraction form
    3,311,674.22/4,969,438.64 = 1,392,446.40/x
  3. Step 3: Cross multiply
    3,311,674.22x = 4,969,438.64 × 1,392,446.40
  4. Step 4: Simplify right side
    3,311,674.22x = 6,919,676,931,745.45
  5. Step 5: Solve for x
    x = 6,919,676,931,745.45/3,311,674.22
  6. Step 6: Final answer
    x = 2,089,479.97

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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.