Home / 3,945,775.66-5,915,109.18-1,419,653.50

Finding the Fourth Proportional to 3,945,775.66, 5,915,109.18 and 1,419,653.50

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Solution

The fourth proportional to 3,945,775.66, 5,915,109.18 and 1,419,653.50 is: 2,128,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,775.66 : 5,915,109.18 = 1,419,653.50 : x
  2. Step 2: Convert to fraction form
    3,945,775.66/5,915,109.18 = 1,419,653.50/x
  3. Step 3: Cross multiply
    3,945,775.66x = 5,915,109.18 × 1,419,653.50
  4. Step 4: Simplify right side
    3,945,775.66x = 8,397,405,450,269.13
  5. Step 5: Solve for x
    x = 8,397,405,450,269.13/3,945,775.66
  6. Step 6: Final answer
    x = 2,128,201.44

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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.