Home / 3,280,604.20-4,920,906.30-916,700.20

Finding the Fourth Proportional to 3,280,604.20, 4,920,906.30 and 916,700.20

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Solution

The fourth proportional to 3,280,604.20, 4,920,906.30 and 916,700.20 is: 1,375,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,604.20 : 4,920,906.30 = 916,700.20 : x
  2. Step 2: Convert to fraction form
    3,280,604.20/4,920,906.30 = 916,700.20/x
  3. Step 3: Cross multiply
    3,280,604.20x = 4,920,906.30 × 916,700.20
  4. Step 4: Simplify right side
    3,280,604.20x = 4,510,995,789,391.26
  5. Step 5: Solve for x
    x = 4,510,995,789,391.26/3,280,604.20
  6. Step 6: Final answer
    x = 1,375,050.30

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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.