Home / 2,108,445.57-3,162,668.37-511,008.66

Finding the Fourth Proportional to 2,108,445.57, 3,162,668.37 and 511,008.66

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Solution

The fourth proportional to 2,108,445.57, 3,162,668.37 and 511,008.66 is: 766,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,445.57 : 3,162,668.37 = 511,008.66 : x
  2. Step 2: Convert to fraction form
    2,108,445.57/3,162,668.37 = 511,008.66/x
  3. Step 3: Cross multiply
    2,108,445.57x = 3,162,668.37 × 511,008.66
  4. Step 4: Simplify right side
    2,108,445.57x = 1,616,150,925,778.08
  5. Step 5: Solve for x
    x = 1,616,150,925,778.08/2,108,445.57
  6. Step 6: Final answer
    x = 766,512.99

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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.