Home / 3,176,921.38-4,384,789.14-1,887,513.52

Finding the Fourth Proportional to 3,176,921.38, 4,384,789.14 and 1,887,513.52

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Solution

The fourth proportional to 3,176,921.38, 4,384,789.14 and 1,887,513.52 is: 2,605,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,921.38 : 4,384,789.14 = 1,887,513.52 : x
  2. Step 2: Convert to fraction form
    3,176,921.38/4,384,789.14 = 1,887,513.52/x
  3. Step 3: Cross multiply
    3,176,921.38x = 4,384,789.14 × 1,887,513.52
  4. Step 4: Simplify right side
    3,176,921.38x = 8,276,348,784,099.17
  5. Step 5: Solve for x
    x = 8,276,348,784,099.17/3,176,921.38
  6. Step 6: Final answer
    x = 2,605,147.50

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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.