Home / 3,860,145.80-5,327,640.06-2,141,819.90

Finding the Fourth Proportional to 3,860,145.80, 5,327,640.06 and 2,141,819.90

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Solution

The fourth proportional to 3,860,145.80, 5,327,640.06 and 2,141,819.90 is: 2,956,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,145.80 : 5,327,640.06 = 2,141,819.90 : x
  2. Step 2: Convert to fraction form
    3,860,145.80/5,327,640.06 = 2,141,819.90/x
  3. Step 3: Cross multiply
    3,860,145.80x = 5,327,640.06 × 2,141,819.90
  4. Step 4: Simplify right side
    3,860,145.80x = 11,410,845,500,545.19
  5. Step 5: Solve for x
    x = 11,410,845,500,545.19/3,860,145.80
  6. Step 6: Final answer
    x = 2,956,065.93

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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.