Home / 2,930,378.82-4,042,634.60-1,768,176.84

Finding the Fourth Proportional to 2,930,378.82, 4,042,634.60 and 1,768,176.84

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Solution

The fourth proportional to 2,930,378.82, 4,042,634.60 and 1,768,176.84 is: 2,439,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,378.82 : 4,042,634.60 = 1,768,176.84 : x
  2. Step 2: Convert to fraction form
    2,930,378.82/4,042,634.60 = 1,768,176.84/x
  3. Step 3: Cross multiply
    2,930,378.82x = 4,042,634.60 × 1,768,176.84
  4. Step 4: Simplify right side
    2,930,378.82x = 7,148,092,891,882.99
  5. Step 5: Solve for x
    x = 7,148,092,891,882.99/2,930,378.82
  6. Step 6: Final answer
    x = 2,439,306.77

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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.