Home / 2,729,478.75-4,085,820.04-1,780,806.75

Finding the Fourth Proportional to 2,729,478.75, 4,085,820.04 and 1,780,806.75

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Solution

The fourth proportional to 2,729,478.75, 4,085,820.04 and 1,780,806.75 is: 2,665,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,478.75 : 4,085,820.04 = 1,780,806.75 : x
  2. Step 2: Convert to fraction form
    2,729,478.75/4,085,820.04 = 1,780,806.75/x
  3. Step 3: Cross multiply
    2,729,478.75x = 4,085,820.04 × 1,780,806.75
  4. Step 4: Simplify right side
    2,729,478.75x = 7,276,055,906,517.27
  5. Step 5: Solve for x
    x = 7,276,055,906,517.27/2,729,478.75
  6. Step 6: Final answer
    x = 2,665,730.92

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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.