Home / 2,227,721.13-3,337,339.79-1,268,838.54

Finding the Fourth Proportional to 2,227,721.13, 3,337,339.79 and 1,268,838.54

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Solution

The fourth proportional to 2,227,721.13, 3,337,339.79 and 1,268,838.54 is: 1,900,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,721.13 : 3,337,339.79 = 1,268,838.54 : x
  2. Step 2: Convert to fraction form
    2,227,721.13/3,337,339.79 = 1,268,838.54/x
  3. Step 3: Cross multiply
    2,227,721.13x = 3,337,339.79 × 1,268,838.54
  4. Step 4: Simplify right side
    2,227,721.13x = 4,234,545,349,799.60
  5. Step 5: Solve for x
    x = 4,234,545,349,799.60/2,227,721.13
  6. Step 6: Final answer
    x = 1,900,841.76

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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.