Home / 2,198,623.80-3,296,015.70-851,705.40

Finding the Fourth Proportional to 2,198,623.80, 3,296,015.70 and 851,705.40

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Solution

The fourth proportional to 2,198,623.80, 3,296,015.70 and 851,705.40 is: 1,276,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,623.80 : 3,296,015.70 = 851,705.40 : x
  2. Step 2: Convert to fraction form
    2,198,623.80/3,296,015.70 = 851,705.40/x
  3. Step 3: Cross multiply
    2,198,623.80x = 3,296,015.70 × 851,705.40
  4. Step 4: Simplify right side
    2,198,623.80x = 2,807,234,370,174.78
  5. Step 5: Solve for x
    x = 2,807,234,370,174.78/2,198,623.80
  6. Step 6: Final answer
    x = 1,276,814.33

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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.