Home / 2,108,586.61-3,162,851.56-511,163.47

Finding the Fourth Proportional to 2,108,586.61, 3,162,851.56 and 511,163.47

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Solution

The fourth proportional to 2,108,586.61, 3,162,851.56 and 511,163.47 is: 766,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,586.61 : 3,162,851.56 = 511,163.47 : x
  2. Step 2: Convert to fraction form
    2,108,586.61/3,162,851.56 = 511,163.47/x
  3. Step 3: Cross multiply
    2,108,586.61x = 3,162,851.56 × 511,163.47
  4. Step 4: Simplify right side
    2,108,586.61x = 1,616,734,178,504.51
  5. Step 5: Solve for x
    x = 1,616,734,178,504.51/2,108,586.61
  6. Step 6: Final answer
    x = 766,738.33

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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.