Home / 2,831,640.10-3,907,479.17-1,669,819.88

Finding the Fourth Proportional to 2,831,640.10, 3,907,479.17 and 1,669,819.88

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Solution

The fourth proportional to 2,831,640.10, 3,907,479.17 and 1,669,819.88 is: 2,304,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,640.10 : 3,907,479.17 = 1,669,819.88 : x
  2. Step 2: Convert to fraction form
    2,831,640.10/3,907,479.17 = 1,669,819.88/x
  3. Step 3: Cross multiply
    2,831,640.10x = 3,907,479.17 × 1,669,819.88
  4. Step 4: Simplify right side
    2,831,640.10x = 6,524,786,412,695.15
  5. Step 5: Solve for x
    x = 6,524,786,412,695.15/2,831,640.10
  6. Step 6: Final answer
    x = 2,304,242.84

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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.