Home / 6,172,065-8,515,481.40-3,998,274.48

Finding the Fourth Proportional to 6,172,065, 8,515,481.40 and 3,998,274.48

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Solution

The fourth proportional to 6,172,065, 8,515,481.40 and 3,998,274.48 is: 5,516,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,065 : 8,515,481.40 = 3,998,274.48 : x
  2. Step 2: Convert to fraction form
    6,172,065/8,515,481.40 = 3,998,274.48/x
  3. Step 3: Cross multiply
    6,172,065x = 8,515,481.40 × 3,998,274.48
  4. Step 4: Simplify right side
    6,172,065x = 34,047,231,966,534.67
  5. Step 5: Solve for x
    x = 34,047,231,966,534.67/6,172,065
  6. Step 6: Final answer
    x = 5,516,343.71

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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.