Home / 2,079,382.70-3,120,456.45-1,180,822.70

Finding the Fourth Proportional to 2,079,382.70, 3,120,456.45 and 1,180,822.70

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Solution

The fourth proportional to 2,079,382.70, 3,120,456.45 and 1,180,822.70 is: 1,772,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,382.70 : 3,120,456.45 = 1,180,822.70 : x
  2. Step 2: Convert to fraction form
    2,079,382.70/3,120,456.45 = 1,180,822.70/x
  3. Step 3: Cross multiply
    2,079,382.70x = 3,120,456.45 × 1,180,822.70
  4. Step 4: Simplify right side
    2,079,382.70x = 3,684,705,810,521.42
  5. Step 5: Solve for x
    x = 3,684,705,810,521.42/2,079,382.70
  6. Step 6: Final answer
    x = 1,772,019.08

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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.