Home / 4,273,234.80-6,413,999.40-2,145,721.20

Finding the Fourth Proportional to 4,273,234.80, 6,413,999.40 and 2,145,721.20

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Solution

The fourth proportional to 4,273,234.80, 6,413,999.40 and 2,145,721.20 is: 3,220,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273,234.80 : 6,413,999.40 = 2,145,721.20 : x
  2. Step 2: Convert to fraction form
    4,273,234.80/6,413,999.40 = 2,145,721.20/x
  3. Step 3: Cross multiply
    4,273,234.80x = 6,413,999.40 × 2,145,721.20
  4. Step 4: Simplify right side
    4,273,234.80x = 13,762,654,489,367.28
  5. Step 5: Solve for x
    x = 13,762,654,489,367.28/4,273,234.80
  6. Step 6: Final answer
    x = 3,220,664.24

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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.