Home / 4,785,707.25-7,178,560.89-1,419,914.25

Finding the Fourth Proportional to 4,785,707.25, 7,178,560.89 and 1,419,914.25

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Solution

The fourth proportional to 4,785,707.25, 7,178,560.89 and 1,419,914.25 is: 2,129,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,707.25 : 7,178,560.89 = 1,419,914.25 : x
  2. Step 2: Convert to fraction form
    4,785,707.25/7,178,560.89 = 1,419,914.25/x
  3. Step 3: Cross multiply
    4,785,707.25x = 7,178,560.89 × 1,419,914.25
  4. Step 4: Simplify right side
    4,785,707.25x = 10,192,940,902,203.68
  5. Step 5: Solve for x
    x = 10,192,940,902,203.68/4,785,707.25
  6. Step 6: Final answer
    x = 2,129,871.38

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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.