Home / 3,086,209.76-4,632,306.64-1,489,896.16

Finding the Fourth Proportional to 3,086,209.76, 4,632,306.64 and 1,489,896.16

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Solution

The fourth proportional to 3,086,209.76, 4,632,306.64 and 1,489,896.16 is: 2,236,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,209.76 : 4,632,306.64 = 1,489,896.16 : x
  2. Step 2: Convert to fraction form
    3,086,209.76/4,632,306.64 = 1,489,896.16/x
  3. Step 3: Cross multiply
    3,086,209.76x = 4,632,306.64 × 1,489,896.16
  4. Step 4: Simplify right side
    3,086,209.76x = 6,901,655,874,878.50
  5. Step 5: Solve for x
    x = 6,901,655,874,878.50/3,086,209.76
  6. Step 6: Final answer
    x = 2,236,288.66

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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.