Home / 5,131,163.52-7,690,796.64-1,934,242.56

Finding the Fourth Proportional to 5,131,163.52, 7,690,796.64 and 1,934,242.56

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Solution

The fourth proportional to 5,131,163.52, 7,690,796.64 and 1,934,242.56 is: 2,899,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,163.52 : 7,690,796.64 = 1,934,242.56 : x
  2. Step 2: Convert to fraction form
    5,131,163.52/7,690,796.64 = 1,934,242.56/x
  3. Step 3: Cross multiply
    5,131,163.52x = 7,690,796.64 × 1,934,242.56
  4. Step 4: Simplify right side
    5,131,163.52x = 14,875,866,181,393.00
  5. Step 5: Solve for x
    x = 14,875,866,181,393.00/5,131,163.52
  6. Step 6: Final answer
    x = 2,899,121.44

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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.