Home / 3,212,149.50-4,819,485.93-1,413,772.21

Finding the Fourth Proportional to 3,212,149.50, 4,819,485.93 and 1,413,772.21

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Solution

The fourth proportional to 3,212,149.50, 4,819,485.93 and 1,413,772.21 is: 2,121,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,149.50 : 4,819,485.93 = 1,413,772.21 : x
  2. Step 2: Convert to fraction form
    3,212,149.50/4,819,485.93 = 1,413,772.21/x
  3. Step 3: Cross multiply
    3,212,149.50x = 4,819,485.93 × 1,413,772.21
  4. Step 4: Simplify right side
    3,212,149.50x = 6,813,655,275,042.72
  5. Step 5: Solve for x
    x = 6,813,655,275,042.72/3,212,149.50
  6. Step 6: Final answer
    x = 2,121,213.62

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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.