Home / 2,085,806.40-3,133,375.20-2,000,788.80

Finding the Fourth Proportional to 2,085,806.40, 3,133,375.20 and 2,000,788.80

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Solution

The fourth proportional to 2,085,806.40, 3,133,375.20 and 2,000,788.80 is: 3,005,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,806.40 : 3,133,375.20 = 2,000,788.80 : x
  2. Step 2: Convert to fraction form
    2,085,806.40/3,133,375.20 = 2,000,788.80/x
  3. Step 3: Cross multiply
    2,085,806.40x = 3,133,375.20 × 2,000,788.80
  4. Step 4: Simplify right side
    2,085,806.40x = 6,269,222,006,357.76
  5. Step 5: Solve for x
    x = 6,269,222,006,357.76/2,085,806.40
  6. Step 6: Final answer
    x = 3,005,658.63

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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.