Home / 6,390,600.80-9,591,806.10-3,198,018.20

Finding the Fourth Proportional to 6,390,600.80, 9,591,806.10 and 3,198,018.20

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Solution

The fourth proportional to 6,390,600.80, 9,591,806.10 and 3,198,018.20 is: 4,799,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,600.80 : 9,591,806.10 = 3,198,018.20 : x
  2. Step 2: Convert to fraction form
    6,390,600.80/9,591,806.10 = 3,198,018.20/x
  3. Step 3: Cross multiply
    6,390,600.80x = 9,591,806.10 × 3,198,018.20
  4. Step 4: Simplify right side
    6,390,600.80x = 30,674,770,478,671.02
  5. Step 5: Solve for x
    x = 30,674,770,478,671.02/6,390,600.80
  6. Step 6: Final answer
    x = 4,799,982.26

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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.