Home / 3,393,520.80-5,090,016.60-1,972,670.64

Finding the Fourth Proportional to 3,393,520.80, 5,090,016.60 and 1,972,670.64

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Solution

The fourth proportional to 3,393,520.80, 5,090,016.60 and 1,972,670.64 is: 2,958,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,520.80 : 5,090,016.60 = 1,972,670.64 : x
  2. Step 2: Convert to fraction form
    3,393,520.80/5,090,016.60 = 1,972,670.64/x
  3. Step 3: Cross multiply
    3,393,520.80x = 5,090,016.60 × 1,972,670.64
  4. Step 4: Simplify right side
    3,393,520.80x = 10,040,926,303,932.62
  5. Step 5: Solve for x
    x = 10,040,926,303,932.62/3,393,520.80
  6. Step 6: Final answer
    x = 2,958,852.15

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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.