Home / 6,481,040.80-9,721,561.20-2,221,250.80

Finding the Fourth Proportional to 6,481,040.80, 9,721,561.20 and 2,221,250.80

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Solution

The fourth proportional to 6,481,040.80, 9,721,561.20 and 2,221,250.80 is: 3,331,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481,040.80 : 9,721,561.20 = 2,221,250.80 : x
  2. Step 2: Convert to fraction form
    6,481,040.80/9,721,561.20 = 2,221,250.80/x
  3. Step 3: Cross multiply
    6,481,040.80x = 9,721,561.20 × 2,221,250.80
  4. Step 4: Simplify right side
    6,481,040.80x = 21,594,025,592,748.96
  5. Step 5: Solve for x
    x = 21,594,025,592,748.96/6,481,040.80
  6. Step 6: Final answer
    x = 3,331,876.20

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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.