Home / 2,852,997.69-3,930,519.81-1,992,194.49

Finding the Fourth Proportional to 2,852,997.69, 3,930,519.81 and 1,992,194.49

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Solution

The fourth proportional to 2,852,997.69, 3,930,519.81 and 1,992,194.49 is: 2,744,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,997.69 : 3,930,519.81 = 1,992,194.49 : x
  2. Step 2: Convert to fraction form
    2,852,997.69/3,930,519.81 = 1,992,194.49/x
  3. Step 3: Cross multiply
    2,852,997.69x = 3,930,519.81 × 1,992,194.49
  4. Step 4: Simplify right side
    2,852,997.69x = 7,830,359,908,317.85
  5. Step 5: Solve for x
    x = 7,830,359,908,317.85/2,852,997.69
  6. Step 6: Final answer
    x = 2,744,607.87

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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.