Home / 3,100,011.52-4,650,105.28-856,149.52

Finding the Fourth Proportional to 3,100,011.52, 4,650,105.28 and 856,149.52

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Solution

The fourth proportional to 3,100,011.52, 4,650,105.28 and 856,149.52 is: 1,284,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,011.52 : 4,650,105.28 = 856,149.52 : x
  2. Step 2: Convert to fraction form
    3,100,011.52/4,650,105.28 = 856,149.52/x
  3. Step 3: Cross multiply
    3,100,011.52x = 4,650,105.28 × 856,149.52
  4. Step 4: Simplify right side
    3,100,011.52x = 3,981,185,403,421.47
  5. Step 5: Solve for x
    x = 3,981,185,403,421.47/3,100,011.52
  6. Step 6: Final answer
    x = 1,284,248.58

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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.