Home / 1,633,100.81-2,253,805.22-979,751.36

Finding the Fourth Proportional to 1,633,100.81, 2,253,805.22 and 979,751.36

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Solution

The fourth proportional to 1,633,100.81, 2,253,805.22 and 979,751.36 is: 1,352,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,100.81 : 2,253,805.22 = 979,751.36 : x
  2. Step 2: Convert to fraction form
    1,633,100.81/2,253,805.22 = 979,751.36/x
  3. Step 3: Cross multiply
    1,633,100.81x = 2,253,805.22 × 979,751.36
  4. Step 4: Simplify right side
    1,633,100.81x = 2,208,168,737,553.99
  5. Step 5: Solve for x
    x = 2,208,168,737,553.99/1,633,100.81
  6. Step 6: Final answer
    x = 1,352,132.54

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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.