Home / 3,280,504.70-4,920,757.05-2,802,207.80

Finding the Fourth Proportional to 3,280,504.70, 4,920,757.05 and 2,802,207.80

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Solution

The fourth proportional to 3,280,504.70, 4,920,757.05 and 2,802,207.80 is: 4,203,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,504.70 : 4,920,757.05 = 2,802,207.80 : x
  2. Step 2: Convert to fraction form
    3,280,504.70/4,920,757.05 = 2,802,207.80/x
  3. Step 3: Cross multiply
    3,280,504.70x = 4,920,757.05 × 2,802,207.80
  4. Step 4: Simplify right side
    3,280,504.70x = 13,788,983,787,414.99
  5. Step 5: Solve for x
    x = 13,788,983,787,414.99/3,280,504.70
  6. Step 6: Final answer
    x = 4,203,311.70

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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.