Home / 1,998,293.43-2,757,660.48-1,103,222.72

Finding the Fourth Proportional to 1,998,293.43, 2,757,660.48 and 1,103,222.72

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Solution

The fourth proportional to 1,998,293.43, 2,757,660.48 and 1,103,222.72 is: 1,522,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,293.43 : 2,757,660.48 = 1,103,222.72 : x
  2. Step 2: Convert to fraction form
    1,998,293.43/2,757,660.48 = 1,103,222.72/x
  3. Step 3: Cross multiply
    1,998,293.43x = 2,757,660.48 × 1,103,222.72
  4. Step 4: Simplify right side
    1,998,293.43x = 3,042,313,695,582.11
  5. Step 5: Solve for x
    x = 3,042,313,695,582.11/1,998,293.43
  6. Step 6: Final answer
    x = 1,522,455.94

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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.