Home / 2,945,148.73-4,417,729.17-815,239.15

Finding the Fourth Proportional to 2,945,148.73, 4,417,729.17 and 815,239.15

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Solution

The fourth proportional to 2,945,148.73, 4,417,729.17 and 815,239.15 is: 1,222,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,148.73 : 4,417,729.17 = 815,239.15 : x
  2. Step 2: Convert to fraction form
    2,945,148.73/4,417,729.17 = 815,239.15/x
  3. Step 3: Cross multiply
    2,945,148.73x = 4,417,729.17 × 815,239.15
  4. Step 4: Simplify right side
    2,945,148.73x = 3,601,505,773,481.01
  5. Step 5: Solve for x
    x = 3,601,505,773,481.01/2,945,148.73
  6. Step 6: Final answer
    x = 1,222,860.41

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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.