Home / 2,684,912.80-4,027,369.20-911,984.80

Finding the Fourth Proportional to 2,684,912.80, 4,027,369.20 and 911,984.80

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Solution

The fourth proportional to 2,684,912.80, 4,027,369.20 and 911,984.80 is: 1,367,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,912.80 : 4,027,369.20 = 911,984.80 : x
  2. Step 2: Convert to fraction form
    2,684,912.80/4,027,369.20 = 911,984.80/x
  3. Step 3: Cross multiply
    2,684,912.80x = 4,027,369.20 × 911,984.80
  4. Step 4: Simplify right side
    2,684,912.80x = 3,672,899,494,388.16
  5. Step 5: Solve for x
    x = 3,672,899,494,388.16/2,684,912.80
  6. Step 6: Final answer
    x = 1,367,977.20

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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.