Home / 3,629,986.13-5,009,673.72-2,081,391.90

Finding the Fourth Proportional to 3,629,986.13, 5,009,673.72 and 2,081,391.90

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Solution

The fourth proportional to 3,629,986.13, 5,009,673.72 and 2,081,391.90 is: 2,872,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,986.13 : 5,009,673.72 = 2,081,391.90 : x
  2. Step 2: Convert to fraction form
    3,629,986.13/5,009,673.72 = 2,081,391.90/x
  3. Step 3: Cross multiply
    3,629,986.13x = 5,009,673.72 × 2,081,391.90
  4. Step 4: Simplify right side
    3,629,986.13x = 10,427,094,266,995.54
  5. Step 5: Solve for x
    x = 10,427,094,266,995.54/3,629,986.13
  6. Step 6: Final answer
    x = 2,872,488.74

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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.