Home / 3,081,338.40-4,253,315.76-2,117,658.72

Finding the Fourth Proportional to 3,081,338.40, 4,253,315.76 and 2,117,658.72

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Solution

The fourth proportional to 3,081,338.40, 4,253,315.76 and 2,117,658.72 is: 2,923,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,338.40 : 4,253,315.76 = 2,117,658.72 : x
  2. Step 2: Convert to fraction form
    3,081,338.40/4,253,315.76 = 2,117,658.72/x
  3. Step 3: Cross multiply
    3,081,338.40x = 4,253,315.76 × 2,117,658.72
  4. Step 4: Simplify right side
    3,081,338.40x = 9,007,071,208,077.43
  5. Step 5: Solve for x
    x = 9,007,071,208,077.43/3,081,338.40
  6. Step 6: Final answer
    x = 2,923,103.55

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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.