Home / 3,860,138.80-5,327,630.40-2,141,812.90

Finding the Fourth Proportional to 3,860,138.80, 5,327,630.40 and 2,141,812.90

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Solution

The fourth proportional to 3,860,138.80, 5,327,630.40 and 2,141,812.90 is: 2,956,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,138.80 : 5,327,630.40 = 2,141,812.90 : x
  2. Step 2: Convert to fraction form
    3,860,138.80/5,327,630.40 = 2,141,812.90/x
  3. Step 3: Cross multiply
    3,860,138.80x = 5,327,630.40 × 2,141,812.90
  4. Step 4: Simplify right side
    3,860,138.80x = 11,410,787,517,152.16
  5. Step 5: Solve for x
    x = 11,410,787,517,152.16/3,860,138.80
  6. Step 6: Final answer
    x = 2,956,056.27

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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.