Home / 3,291,455.23-4,540,379.12-1,914,644.05

Finding the Fourth Proportional to 3,291,455.23, 4,540,379.12 and 1,914,644.05

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Solution

The fourth proportional to 3,291,455.23, 4,540,379.12 and 1,914,644.05 is: 2,641,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,455.23 : 4,540,379.12 = 1,914,644.05 : x
  2. Step 2: Convert to fraction form
    3,291,455.23/4,540,379.12 = 1,914,644.05/x
  3. Step 3: Cross multiply
    3,291,455.23x = 4,540,379.12 × 1,914,644.05
  4. Step 4: Simplify right side
    3,291,455.23x = 8,693,209,853,107.99
  5. Step 5: Solve for x
    x = 8,693,209,853,107.99/3,291,455.23
  6. Step 6: Final answer
    x = 2,641,144.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.