Home / 3,860,143.80-5,327,637.30-2,141,817.90

Finding the Fourth Proportional to 3,860,143.80, 5,327,637.30 and 2,141,817.90

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Solution

The fourth proportional to 3,860,143.80, 5,327,637.30 and 2,141,817.90 is: 2,956,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,143.80 : 5,327,637.30 = 2,141,817.90 : x
  2. Step 2: Convert to fraction form
    3,860,143.80/5,327,637.30 = 2,141,817.90/x
  3. Step 3: Cross multiply
    3,860,143.80x = 5,327,637.30 × 2,141,817.90
  4. Step 4: Simplify right side
    3,860,143.80x = 11,410,828,933,847.67
  5. Step 5: Solve for x
    x = 11,410,828,933,847.67/3,860,143.80
  6. Step 6: Final answer
    x = 2,956,063.17

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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.