Home / 2,072,405.80-3,108,608.70-1,230,524.20

Finding the Fourth Proportional to 2,072,405.80, 3,108,608.70 and 1,230,524.20

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Solution

The fourth proportional to 2,072,405.80, 3,108,608.70 and 1,230,524.20 is: 1,845,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,405.80 : 3,108,608.70 = 1,230,524.20 : x
  2. Step 2: Convert to fraction form
    2,072,405.80/3,108,608.70 = 1,230,524.20/x
  3. Step 3: Cross multiply
    2,072,405.80x = 3,108,608.70 × 1,230,524.20
  4. Step 4: Simplify right side
    2,072,405.80x = 3,825,218,233,680.54
  5. Step 5: Solve for x
    x = 3,825,218,233,680.54/2,072,405.80
  6. Step 6: Final answer
    x = 1,845,786.30

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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.