Home / 5,639,103.33-7,785,485.82-3,876,036.90

Finding the Fourth Proportional to 5,639,103.33, 7,785,485.82 and 3,876,036.90

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Solution

The fourth proportional to 5,639,103.33, 7,785,485.82 and 3,876,036.90 is: 5,351,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,103.33 : 7,785,485.82 = 3,876,036.90 : x
  2. Step 2: Convert to fraction form
    5,639,103.33/7,785,485.82 = 3,876,036.90/x
  3. Step 3: Cross multiply
    5,639,103.33x = 7,785,485.82 × 3,876,036.90
  4. Step 4: Simplify right side
    5,639,103.33x = 30,176,830,322,746.76
  5. Step 5: Solve for x
    x = 30,176,830,322,746.76/5,639,103.33
  6. Step 6: Final answer
    x = 5,351,352.61

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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.