Home / 3,940,630.88-5,437,962-2,221,736.48

Finding the Fourth Proportional to 3,940,630.88, 5,437,962 and 2,221,736.48

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Solution

The fourth proportional to 3,940,630.88, 5,437,962 and 2,221,736.48 is: 3,065,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,630.88 : 5,437,962 = 2,221,736.48 : x
  2. Step 2: Convert to fraction form
    3,940,630.88/5,437,962 = 2,221,736.48/x
  3. Step 3: Cross multiply
    3,940,630.88x = 5,437,962 × 2,221,736.48
  4. Step 4: Simplify right side
    3,940,630.88x = 12,081,718,552,253.76
  5. Step 5: Solve for x
    x = 12,081,718,552,253.76/3,940,630.88
  6. Step 6: Final answer
    x = 3,065,935.11

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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.