Home / 2,728,622.80-4,092,934.20-930,908.80

Finding the Fourth Proportional to 2,728,622.80, 4,092,934.20 and 930,908.80

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Solution

The fourth proportional to 2,728,622.80, 4,092,934.20 and 930,908.80 is: 1,396,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,622.80 : 4,092,934.20 = 930,908.80 : x
  2. Step 2: Convert to fraction form
    2,728,622.80/4,092,934.20 = 930,908.80/x
  3. Step 3: Cross multiply
    2,728,622.80x = 4,092,934.20 × 930,908.80
  4. Step 4: Simplify right side
    2,728,622.80x = 3,810,148,464,600.96
  5. Step 5: Solve for x
    x = 3,810,148,464,600.96/2,728,622.80
  6. Step 6: Final answer
    x = 1,396,363.20

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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.