Home / 3,929,876.91-5,422,791.33-2,210,960.52

Finding the Fourth Proportional to 3,929,876.91, 5,422,791.33 and 2,210,960.52

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Solution

The fourth proportional to 3,929,876.91, 5,422,791.33 and 2,210,960.52 is: 3,050,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,876.91 : 5,422,791.33 = 2,210,960.52 : x
  2. Step 2: Convert to fraction form
    3,929,876.91/5,422,791.33 = 2,210,960.52/x
  3. Step 3: Cross multiply
    3,929,876.91x = 5,422,791.33 × 2,210,960.52
  4. Step 4: Simplify right side
    3,929,876.91x = 11,989,577,538,828.29
  5. Step 5: Solve for x
    x = 11,989,577,538,828.29/3,929,876.91
  6. Step 6: Final answer
    x = 3,050,878.64

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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.