Home / 2,111,318.48-3,166,933.20-513,890.48

Finding the Fourth Proportional to 2,111,318.48, 3,166,933.20 and 513,890.48

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Solution

The fourth proportional to 2,111,318.48, 3,166,933.20 and 513,890.48 is: 770,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,318.48 : 3,166,933.20 = 513,890.48 : x
  2. Step 2: Convert to fraction form
    2,111,318.48/3,166,933.20 = 513,890.48/x
  3. Step 3: Cross multiply
    2,111,318.48x = 3,166,933.20 × 513,890.48
  4. Step 4: Simplify right side
    2,111,318.48x = 1,627,456,822,275.94
  5. Step 5: Solve for x
    x = 1,627,456,822,275.94/2,111,318.48
  6. Step 6: Final answer
    x = 770,824.88

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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.