Home / 1,617,093.91-2,231,600.12-891,961.21

Finding the Fourth Proportional to 1,617,093.91, 2,231,600.12 and 891,961.21

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Solution

The fourth proportional to 1,617,093.91, 2,231,600.12 and 891,961.21 is: 1,230,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,093.91 : 2,231,600.12 = 891,961.21 : x
  2. Step 2: Convert to fraction form
    1,617,093.91/2,231,600.12 = 891,961.21/x
  3. Step 3: Cross multiply
    1,617,093.91x = 2,231,600.12 × 891,961.21
  4. Step 4: Simplify right side
    1,617,093.91x = 1,990,500,743,271.35
  5. Step 5: Solve for x
    x = 1,990,500,743,271.35/1,617,093.91
  6. Step 6: Final answer
    x = 1,230,912.27

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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.