Home / 3,906,001.54-5,390,436.09-2,187,106.66

Finding the Fourth Proportional to 3,906,001.54, 5,390,436.09 and 2,187,106.66

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Solution

The fourth proportional to 3,906,001.54, 5,390,436.09 and 2,187,106.66 is: 3,018,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,001.54 : 5,390,436.09 = 2,187,106.66 : x
  2. Step 2: Convert to fraction form
    3,906,001.54/5,390,436.09 = 2,187,106.66/x
  3. Step 3: Cross multiply
    3,906,001.54x = 5,390,436.09 × 2,187,106.66
  4. Step 4: Simplify right side
    3,906,001.54x = 11,789,458,672,743.36
  5. Step 5: Solve for x
    x = 11,789,458,672,743.36/3,906,001.54
  6. Step 6: Final answer
    x = 3,018,293.40

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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.