Home / 3,940,481.52-5,437,795.68-2,221,603.20

Finding the Fourth Proportional to 3,940,481.52, 5,437,795.68 and 2,221,603.20

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Solution

The fourth proportional to 3,940,481.52, 5,437,795.68 and 2,221,603.20 is: 3,065,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,481.52 : 5,437,795.68 = 2,221,603.20 : x
  2. Step 2: Convert to fraction form
    3,940,481.52/5,437,795.68 = 2,221,603.20/x
  3. Step 3: Cross multiply
    3,940,481.52x = 5,437,795.68 × 2,221,603.20
  4. Step 4: Simplify right side
    3,940,481.52x = 12,080,624,283,634.18
  5. Step 5: Solve for x
    x = 12,080,624,283,634.18/3,940,481.52
  6. Step 6: Final answer
    x = 3,065,773.62

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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.