Home / 3,379,595.96-5,069,349.84-820,831.88

Finding the Fourth Proportional to 3,379,595.96, 5,069,349.84 and 820,831.88

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Solution

The fourth proportional to 3,379,595.96, 5,069,349.84 and 820,831.88 is: 1,231,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,595.96 : 5,069,349.84 = 820,831.88 : x
  2. Step 2: Convert to fraction form
    3,379,595.96/5,069,349.84 = 820,831.88/x
  3. Step 3: Cross multiply
    3,379,595.96x = 5,069,349.84 × 820,831.88
  4. Step 4: Simplify right side
    3,379,595.96x = 4,161,083,959,544.90
  5. Step 5: Solve for x
    x = 4,161,083,959,544.90/3,379,595.96
  6. Step 6: Final answer
    x = 1,231,237.11

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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.