Home / 2,172,976.66-2,998,709.69-1,302,317.07

Finding the Fourth Proportional to 2,172,976.66, 2,998,709.69 and 1,302,317.07

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Solution

The fourth proportional to 2,172,976.66, 2,998,709.69 and 1,302,317.07 is: 1,797,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,976.66 : 2,998,709.69 = 1,302,317.07 : x
  2. Step 2: Convert to fraction form
    2,172,976.66/2,998,709.69 = 1,302,317.07/x
  3. Step 3: Cross multiply
    2,172,976.66x = 2,998,709.69 × 1,302,317.07
  4. Step 4: Simplify right side
    2,172,976.66x = 3,905,270,823,697.94
  5. Step 5: Solve for x
    x = 3,905,270,823,697.94/2,172,976.66
  6. Step 6: Final answer
    x = 1,797,198.70

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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.