Home / 2,235,769-3,086,138.82-1,330,331.56

Finding the Fourth Proportional to 2,235,769, 3,086,138.82 and 1,330,331.56

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Solution

The fourth proportional to 2,235,769, 3,086,138.82 and 1,330,331.56 is: 1,836,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,769 : 3,086,138.82 = 1,330,331.56 : x
  2. Step 2: Convert to fraction form
    2,235,769/3,086,138.82 = 1,330,331.56/x
  3. Step 3: Cross multiply
    2,235,769x = 3,086,138.82 × 1,330,331.56
  4. Step 4: Simplify right side
    2,235,769x = 4,105,587,870,787.16
  5. Step 5: Solve for x
    x = 4,105,587,870,787.16/2,235,769
  6. Step 6: Final answer
    x = 1,836,320.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.