Home / 1,821,640.20-2,734,112.70-923,706.60

Finding the Fourth Proportional to 1,821,640.20, 2,734,112.70 and 923,706.60

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Solution

The fourth proportional to 1,821,640.20, 2,734,112.70 and 923,706.60 is: 1,386,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,640.20 : 2,734,112.70 = 923,706.60 : x
  2. Step 2: Convert to fraction form
    1,821,640.20/2,734,112.70 = 923,706.60/x
  3. Step 3: Cross multiply
    1,821,640.20x = 2,734,112.70 × 923,706.60
  4. Step 4: Simplify right side
    1,821,640.20x = 2,525,517,946,133.82
  5. Step 5: Solve for x
    x = 2,525,517,946,133.82/1,821,640.20
  6. Step 6: Final answer
    x = 1,386,397.79

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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.