Home / 3,161,912.62-4,742,853.06-765,757.18

Finding the Fourth Proportional to 3,161,912.62, 4,742,853.06 and 765,757.18

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Solution

The fourth proportional to 3,161,912.62, 4,742,853.06 and 765,757.18 is: 1,148,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,912.62 : 4,742,853.06 = 765,757.18 : x
  2. Step 2: Convert to fraction form
    3,161,912.62/4,742,853.06 = 765,757.18/x
  3. Step 3: Cross multiply
    3,161,912.62x = 4,742,853.06 × 765,757.18
  4. Step 4: Simplify right side
    3,161,912.62x = 3,631,873,784,379.97
  5. Step 5: Solve for x
    x = 3,631,873,784,379.97/3,161,912.62
  6. Step 6: Final answer
    x = 1,148,631.93

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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.