Home / 1,994,892.92-2,992,776.92-647,191.84

Finding the Fourth Proportional to 1,994,892.92, 2,992,776.92 and 647,191.84

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Solution

The fourth proportional to 1,994,892.92, 2,992,776.92 and 647,191.84 is: 970,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,892.92 : 2,992,776.92 = 647,191.84 : x
  2. Step 2: Convert to fraction form
    1,994,892.92/2,992,776.92 = 647,191.84/x
  3. Step 3: Cross multiply
    1,994,892.92x = 2,992,776.92 × 647,191.84
  4. Step 4: Simplify right side
    1,994,892.92x = 1,936,900,801,564.33
  5. Step 5: Solve for x
    x = 1,936,900,801,564.33/1,994,892.92
  6. Step 6: Final answer
    x = 970,929.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.