Home / 2,272,021.80-3,405,138.30-1,207,573.80

Finding the Fourth Proportional to 2,272,021.80, 3,405,138.30 and 1,207,573.80

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Solution

The fourth proportional to 2,272,021.80, 3,405,138.30 and 1,207,573.80 is: 1,809,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,021.80 : 3,405,138.30 = 1,207,573.80 : x
  2. Step 2: Convert to fraction form
    2,272,021.80/3,405,138.30 = 1,207,573.80/x
  3. Step 3: Cross multiply
    2,272,021.80x = 3,405,138.30 × 1,207,573.80
  4. Step 4: Simplify right side
    2,272,021.80x = 4,111,955,796,456.54
  5. Step 5: Solve for x
    x = 4,111,955,796,456.54/2,272,021.80
  6. Step 6: Final answer
    x = 1,809,822.33

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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.