Home / 1,836,671.40-2,755,007.10-1,198,942.20

Finding the Fourth Proportional to 1,836,671.40, 2,755,007.10 and 1,198,942.20

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Solution

The fourth proportional to 1,836,671.40, 2,755,007.10 and 1,198,942.20 is: 1,798,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,671.40 : 2,755,007.10 = 1,198,942.20 : x
  2. Step 2: Convert to fraction form
    1,836,671.40/2,755,007.10 = 1,198,942.20/x
  3. Step 3: Cross multiply
    1,836,671.40x = 2,755,007.10 × 1,198,942.20
  4. Step 4: Simplify right side
    1,836,671.40x = 3,303,094,273,489.62
  5. Step 5: Solve for x
    x = 3,303,094,273,489.62/1,836,671.40
  6. Step 6: Final answer
    x = 1,798,413.30

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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.