Home / 3,940,935.26-5,438,551.02-2,308,952.12

Finding the Fourth Proportional to 3,940,935.26, 5,438,551.02 and 2,308,952.12

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Solution

The fourth proportional to 3,940,935.26, 5,438,551.02 and 2,308,952.12 is: 3,186,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,935.26 : 5,438,551.02 = 2,308,952.12 : x
  2. Step 2: Convert to fraction form
    3,940,935.26/5,438,551.02 = 2,308,952.12/x
  3. Step 3: Cross multiply
    3,940,935.26x = 5,438,551.02 × 2,308,952.12
  4. Step 4: Simplify right side
    3,940,935.26x = 12,557,353,907,357.16
  5. Step 5: Solve for x
    x = 12,557,353,907,357.16/3,940,935.26
  6. Step 6: Final answer
    x = 3,186,389.29

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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.