Home / 2,668,551.56-4,002,791.56-646,812.80

Finding the Fourth Proportional to 2,668,551.56, 4,002,791.56 and 646,812.80

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Solution

The fourth proportional to 2,668,551.56, 4,002,791.56 and 646,812.80 is: 970,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,551.56 : 4,002,791.56 = 646,812.80 : x
  2. Step 2: Convert to fraction form
    2,668,551.56/4,002,791.56 = 646,812.80/x
  3. Step 3: Cross multiply
    2,668,551.56x = 4,002,791.56 × 646,812.80
  4. Step 4: Simplify right side
    2,668,551.56x = 2,589,056,816,739.97
  5. Step 5: Solve for x
    x = 2,589,056,816,739.97/2,668,551.56
  6. Step 6: Final answer
    x = 970,210.53

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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.