Home / 2,847,217.70-3,929,160.76-1,558,058.36

Finding the Fourth Proportional to 2,847,217.70, 3,929,160.76 and 1,558,058.36

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Solution

The fourth proportional to 2,847,217.70, 3,929,160.76 and 1,558,058.36 is: 2,150,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,217.70 : 3,929,160.76 = 1,558,058.36 : x
  2. Step 2: Convert to fraction form
    2,847,217.70/3,929,160.76 = 1,558,058.36/x
  3. Step 3: Cross multiply
    2,847,217.70x = 3,929,160.76 × 1,558,058.36
  4. Step 4: Simplify right side
    2,847,217.70x = 6,121,861,746,361.00
  5. Step 5: Solve for x
    x = 6,121,861,746,361.00/2,847,217.70
  6. Step 6: Final answer
    x = 2,150,120.71

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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.