Home / 2,728,385-3,765,120.66-1,504,804.28

Finding the Fourth Proportional to 2,728,385, 3,765,120.66 and 1,504,804.28

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Solution

The fourth proportional to 2,728,385, 3,765,120.66 and 1,504,804.28 is: 2,076,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,385 : 3,765,120.66 = 1,504,804.28 : x
  2. Step 2: Convert to fraction form
    2,728,385/3,765,120.66 = 1,504,804.28/x
  3. Step 3: Cross multiply
    2,728,385x = 3,765,120.66 × 1,504,804.28
  4. Step 4: Simplify right side
    2,728,385x = 5,665,769,683,884.43
  5. Step 5: Solve for x
    x = 5,665,769,683,884.43/2,728,385
  6. Step 6: Final answer
    x = 2,076,601.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.