Home / 3,171,439.83-4,376,618.96-1,721,147.79

Finding the Fourth Proportional to 3,171,439.83, 4,376,618.96 and 1,721,147.79

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Solution

The fourth proportional to 3,171,439.83, 4,376,618.96 and 1,721,147.79 is: 2,375,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,439.83 : 4,376,618.96 = 1,721,147.79 : x
  2. Step 2: Convert to fraction form
    3,171,439.83/4,376,618.96 = 1,721,147.79/x
  3. Step 3: Cross multiply
    3,171,439.83x = 4,376,618.96 × 1,721,147.79
  4. Step 4: Simplify right side
    3,171,439.83x = 7,532,808,042,070.36
  5. Step 5: Solve for x
    x = 7,532,808,042,070.36/3,171,439.83
  6. Step 6: Final answer
    x = 2,375,201.31

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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.