Home / 2,079,382.20-3,120,455.70-1,180,822.20

Finding the Fourth Proportional to 2,079,382.20, 3,120,455.70 and 1,180,822.20

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Solution

The fourth proportional to 2,079,382.20, 3,120,455.70 and 1,180,822.20 is: 1,772,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,382.20 : 3,120,455.70 = 1,180,822.20 : x
  2. Step 2: Convert to fraction form
    2,079,382.20/3,120,455.70 = 1,180,822.20/x
  3. Step 3: Cross multiply
    2,079,382.20x = 3,120,455.70 × 1,180,822.20
  4. Step 4: Simplify right side
    2,079,382.20x = 3,684,703,364,676.54
  5. Step 5: Solve for x
    x = 3,684,703,364,676.54/2,079,382.20
  6. Step 6: Final answer
    x = 1,772,018.33

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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.