Home / 4,231,856.49-6,345,783.96-1,639,375.55

Finding the Fourth Proportional to 4,231,856.49, 6,345,783.96 and 1,639,375.55

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Solution

The fourth proportional to 4,231,856.49, 6,345,783.96 and 1,639,375.55 is: 2,458,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231,856.49 : 6,345,783.96 = 1,639,375.55 : x
  2. Step 2: Convert to fraction form
    4,231,856.49/6,345,783.96 = 1,639,375.55/x
  3. Step 3: Cross multiply
    4,231,856.49x = 6,345,783.96 × 1,639,375.55
  4. Step 4: Simplify right side
    4,231,856.49x = 10,403,123,100,442.81
  5. Step 5: Solve for x
    x = 10,403,123,100,442.81/4,231,856.49
  6. Step 6: Final answer
    x = 2,458,288.25

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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.