Home / 2,538,727.47-3,808,721.49-1,259,935.11

Finding the Fourth Proportional to 2,538,727.47, 3,808,721.49 and 1,259,935.11

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Solution

The fourth proportional to 2,538,727.47, 3,808,721.49 and 1,259,935.11 is: 1,890,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,727.47 : 3,808,721.49 = 1,259,935.11 : x
  2. Step 2: Convert to fraction form
    2,538,727.47/3,808,721.49 = 1,259,935.11/x
  3. Step 3: Cross multiply
    2,538,727.47x = 3,808,721.49 × 1,259,935.11
  4. Step 4: Simplify right side
    2,538,727.47x = 4,798,741,929,462.51
  5. Step 5: Solve for x
    x = 4,798,741,929,462.51/2,538,727.47
  6. Step 6: Final answer
    x = 1,890,215.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.