Home / 1,891,922.16-2,835,418.92-768,678

Finding the Fourth Proportional to 1,891,922.16, 2,835,418.92 and 768,678

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Solution

The fourth proportional to 1,891,922.16, 2,835,418.92 and 768,678 is: 1,152,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,922.16 : 2,835,418.92 = 768,678 : x
  2. Step 2: Convert to fraction form
    1,891,922.16/2,835,418.92 = 768,678/x
  3. Step 3: Cross multiply
    1,891,922.16x = 2,835,418.92 × 768,678
  4. Step 4: Simplify right side
    1,891,922.16x = 2,179,524,144,587.76
  5. Step 5: Solve for x
    x = 2,179,524,144,587.76/1,891,922.16
  6. Step 6: Final answer
    x = 1,152,015.76

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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.