Home / 2,072,849.20-3,102,251.10-1,274,636.32

Finding the Fourth Proportional to 2,072,849.20, 3,102,251.10 and 1,274,636.32

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Solution

The fourth proportional to 2,072,849.20, 3,102,251.10 and 1,274,636.32 is: 1,907,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,849.20 : 3,102,251.10 = 1,274,636.32 : x
  2. Step 2: Convert to fraction form
    2,072,849.20/3,102,251.10 = 1,274,636.32/x
  3. Step 3: Cross multiply
    2,072,849.20x = 3,102,251.10 × 1,274,636.32
  4. Step 4: Simplify right side
    2,072,849.20x = 3,954,241,925,819.95
  5. Step 5: Solve for x
    x = 3,954,241,925,819.95/2,072,849.20
  6. Step 6: Final answer
    x = 1,907,636.08

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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.