Home / 3,860,759.70-5,328,486.18-2,142,433.80

Finding the Fourth Proportional to 3,860,759.70, 5,328,486.18 and 2,142,433.80

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Solution

The fourth proportional to 3,860,759.70, 5,328,486.18 and 2,142,433.80 is: 2,956,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,759.70 : 5,328,486.18 = 2,142,433.80 : x
  2. Step 2: Convert to fraction form
    3,860,759.70/5,328,486.18 = 2,142,433.80/x
  3. Step 3: Cross multiply
    3,860,759.70x = 5,328,486.18 × 2,142,433.80
  4. Step 4: Simplify right side
    3,860,759.70x = 11,415,928,894,864.88
  5. Step 5: Solve for x
    x = 11,415,928,894,864.88/3,860,759.70
  6. Step 6: Final answer
    x = 2,956,912.57

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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.