Home / 6,128,873.86-8,458,229.89-3,375,560.69

Finding the Fourth Proportional to 6,128,873.86, 8,458,229.89 and 3,375,560.69

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Solution

The fourth proportional to 6,128,873.86, 8,458,229.89 and 3,375,560.69 is: 4,658,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,873.86 : 8,458,229.89 = 3,375,560.69 : x
  2. Step 2: Convert to fraction form
    6,128,873.86/8,458,229.89 = 3,375,560.69/x
  3. Step 3: Cross multiply
    6,128,873.86x = 8,458,229.89 × 3,375,560.69
  4. Step 4: Simplify right side
    6,128,873.86x = 28,551,268,317,313.69
  5. Step 5: Solve for x
    x = 28,551,268,317,313.69/6,128,873.86
  6. Step 6: Final answer
    x = 4,658,485.22

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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.