Home / 2,618,695.31-3,928,045.12-1,252,147.48

Finding the Fourth Proportional to 2,618,695.31, 3,928,045.12 and 1,252,147.48

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Solution

The fourth proportional to 2,618,695.31, 3,928,045.12 and 1,252,147.48 is: 1,878,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,695.31 : 3,928,045.12 = 1,252,147.48 : x
  2. Step 2: Convert to fraction form
    2,618,695.31/3,928,045.12 = 1,252,147.48/x
  3. Step 3: Cross multiply
    2,618,695.31x = 3,928,045.12 × 1,252,147.48
  4. Step 4: Simplify right side
    2,618,695.31x = 4,918,491,785,383.82
  5. Step 5: Solve for x
    x = 4,918,491,785,383.82/2,618,695.31
  6. Step 6: Final answer
    x = 1,878,222.25

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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.