Home / 5,469,770.40-8,212,042.80-3,197,623.20

Finding the Fourth Proportional to 5,469,770.40, 8,212,042.80 and 3,197,623.20

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Solution

The fourth proportional to 5,469,770.40, 8,212,042.80 and 3,197,623.20 is: 4,800,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469,770.40 : 8,212,042.80 = 3,197,623.20 : x
  2. Step 2: Convert to fraction form
    5,469,770.40/8,212,042.80 = 3,197,623.20/x
  3. Step 3: Cross multiply
    5,469,770.40x = 8,212,042.80 × 3,197,623.20
  4. Step 4: Simplify right side
    5,469,770.40x = 26,259,018,576,672.96
  5. Step 5: Solve for x
    x = 26,259,018,576,672.96/5,469,770.40
  6. Step 6: Final answer
    x = 4,800,753.35

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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.