Home / 6,681,615.72-9,220,629.76-3,625,830

Finding the Fourth Proportional to 6,681,615.72, 9,220,629.76 and 3,625,830

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Solution

The fourth proportional to 6,681,615.72, 9,220,629.76 and 3,625,830 is: 5,003,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681,615.72 : 9,220,629.76 = 3,625,830 : x
  2. Step 2: Convert to fraction form
    6,681,615.72/9,220,629.76 = 3,625,830/x
  3. Step 3: Cross multiply
    6,681,615.72x = 9,220,629.76 × 3,625,830
  4. Step 4: Simplify right side
    6,681,615.72x = 33,432,436,002,700.80
  5. Step 5: Solve for x
    x = 33,432,436,002,700.80/6,681,615.72
  6. Step 6: Final answer
    x = 5,003,645.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.