Home / 3,770,129.80-5,655,194.70-1,972,318.60

Finding the Fourth Proportional to 3,770,129.80, 5,655,194.70 and 1,972,318.60

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Solution

The fourth proportional to 3,770,129.80, 5,655,194.70 and 1,972,318.60 is: 2,958,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,129.80 : 5,655,194.70 = 1,972,318.60 : x
  2. Step 2: Convert to fraction form
    3,770,129.80/5,655,194.70 = 1,972,318.60/x
  3. Step 3: Cross multiply
    3,770,129.80x = 5,655,194.70 × 1,972,318.60
  4. Step 4: Simplify right side
    3,770,129.80x = 11,153,845,693,431.42
  5. Step 5: Solve for x
    x = 11,153,845,693,431.42/3,770,129.80
  6. Step 6: Final answer
    x = 2,958,477.90

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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.