Home / 3,270,905.20-4,906,357.80-3,123,938.80

Finding the Fourth Proportional to 3,270,905.20, 4,906,357.80 and 3,123,938.80

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Solution

The fourth proportional to 3,270,905.20, 4,906,357.80 and 3,123,938.80 is: 4,685,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,905.20 : 4,906,357.80 = 3,123,938.80 : x
  2. Step 2: Convert to fraction form
    3,270,905.20/4,906,357.80 = 3,123,938.80/x
  3. Step 3: Cross multiply
    3,270,905.20x = 4,906,357.80 × 3,123,938.80
  4. Step 4: Simplify right side
    3,270,905.20x = 15,327,161,498,102.64
  5. Step 5: Solve for x
    x = 15,327,161,498,102.64/3,270,905.20
  6. Step 6: Final answer
    x = 4,685,908.20

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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.