Home / 3,629,979.36-5,009,664.31-2,081,385.11

Finding the Fourth Proportional to 3,629,979.36, 5,009,664.31 and 2,081,385.11

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Solution

The fourth proportional to 3,629,979.36, 5,009,664.31 and 2,081,385.11 is: 2,872,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,979.36 : 5,009,664.31 = 2,081,385.11 : x
  2. Step 2: Convert to fraction form
    3,629,979.36/5,009,664.31 = 2,081,385.11/x
  3. Step 3: Cross multiply
    3,629,979.36x = 5,009,664.31 × 2,081,385.11
  4. Step 4: Simplify right side
    3,629,979.36x = 10,427,040,721,424.34
  5. Step 5: Solve for x
    x = 10,427,040,721,424.34/3,629,979.36
  6. Step 6: Final answer
    x = 2,872,479.34

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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.