Home / 2,198,865.66-3,295,996.47-920,205.72

Finding the Fourth Proportional to 2,198,865.66, 3,295,996.47 and 920,205.72

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Solution

The fourth proportional to 2,198,865.66, 3,295,996.47 and 920,205.72 is: 1,379,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,865.66 : 3,295,996.47 = 920,205.72 : x
  2. Step 2: Convert to fraction form
    2,198,865.66/3,295,996.47 = 920,205.72/x
  3. Step 3: Cross multiply
    2,198,865.66x = 3,295,996.47 × 920,205.72
  4. Step 4: Simplify right side
    2,198,865.66x = 3,032,994,804,793.81
  5. Step 5: Solve for x
    x = 3,032,994,804,793.81/2,198,865.66
  6. Step 6: Final answer
    x = 1,379,345.21

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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.