Home / 4,679,134.21-7,019,530.55-2,120,245.79

Finding the Fourth Proportional to 4,679,134.21, 7,019,530.55 and 2,120,245.79

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Solution

The fourth proportional to 4,679,134.21, 7,019,530.55 and 2,120,245.79 is: 3,180,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,134.21 : 7,019,530.55 = 2,120,245.79 : x
  2. Step 2: Convert to fraction form
    4,679,134.21/7,019,530.55 = 2,120,245.79/x
  3. Step 3: Cross multiply
    4,679,134.21x = 7,019,530.55 × 2,120,245.79
  4. Step 4: Simplify right side
    4,679,134.21x = 14,883,130,096,413.88
  5. Step 5: Solve for x
    x = 14,883,130,096,413.88/4,679,134.21
  6. Step 6: Final answer
    x = 3,180,744.43

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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.