Home / 5,569,115.15-7,685,733.83-3,121,727.28

Finding the Fourth Proportional to 5,569,115.15, 7,685,733.83 and 3,121,727.28

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Solution

The fourth proportional to 5,569,115.15, 7,685,733.83 and 3,121,727.28 is: 4,308,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569,115.15 : 7,685,733.83 = 3,121,727.28 : x
  2. Step 2: Convert to fraction form
    5,569,115.15/7,685,733.83 = 3,121,727.28/x
  3. Step 3: Cross multiply
    5,569,115.15x = 7,685,733.83 × 3,121,727.28
  4. Step 4: Simplify right side
    5,569,115.15x = 23,992,764,948,321.25
  5. Step 5: Solve for x
    x = 23,992,764,948,321.25/5,569,115.15
  6. Step 6: Final answer
    x = 4,308,182.60

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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.