Home / 5,257,789.78-7,887,825.54-1,614,532.08

Finding the Fourth Proportional to 5,257,789.78, 7,887,825.54 and 1,614,532.08

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Solution

The fourth proportional to 5,257,789.78, 7,887,825.54 and 1,614,532.08 is: 2,422,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,789.78 : 7,887,825.54 = 1,614,532.08 : x
  2. Step 2: Convert to fraction form
    5,257,789.78/7,887,825.54 = 1,614,532.08/x
  3. Step 3: Cross multiply
    5,257,789.78x = 7,887,825.54 × 1,614,532.08
  4. Step 4: Simplify right side
    5,257,789.78x = 12,735,147,375,773.32
  5. Step 5: Solve for x
    x = 12,735,147,375,773.32/5,257,789.78
  6. Step 6: Final answer
    x = 2,422,148.45

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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.