Home / 2,950,472.80-4,425,104.40-820,021.60

Finding the Fourth Proportional to 2,950,472.80, 4,425,104.40 and 820,021.60

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Solution

The fourth proportional to 2,950,472.80, 4,425,104.40 and 820,021.60 is: 1,229,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950,472.80 : 4,425,104.40 = 820,021.60 : x
  2. Step 2: Convert to fraction form
    2,950,472.80/4,425,104.40 = 820,021.60/x
  3. Step 3: Cross multiply
    2,950,472.80x = 4,425,104.40 × 820,021.60
  4. Step 4: Simplify right side
    2,950,472.80x = 3,628,681,190,255.04
  5. Step 5: Solve for x
    x = 3,628,681,190,255.04/2,950,472.80
  6. Step 6: Final answer
    x = 1,229,864.31

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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.