Home / 6,390,601.80-9,591,807.60-3,198,019.20

Finding the Fourth Proportional to 6,390,601.80, 9,591,807.60 and 3,198,019.20

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Solution

The fourth proportional to 6,390,601.80, 9,591,807.60 and 3,198,019.20 is: 4,799,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,601.80 : 9,591,807.60 = 3,198,019.20 : x
  2. Step 2: Convert to fraction form
    6,390,601.80/9,591,807.60 = 3,198,019.20/x
  3. Step 3: Cross multiply
    6,390,601.80x = 9,591,807.60 × 3,198,019.20
  4. Step 4: Simplify right side
    6,390,601.80x = 30,674,784,867,505.92
  5. Step 5: Solve for x
    x = 30,674,784,867,505.92/6,390,601.80
  6. Step 6: Final answer
    x = 4,799,983.76

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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.