Home / 6,665,958.94-9,999,456.84-2,178,688.54

Finding the Fourth Proportional to 6,665,958.94, 9,999,456.84 and 2,178,688.54

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Solution

The fourth proportional to 6,665,958.94, 9,999,456.84 and 2,178,688.54 is: 3,268,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,958.94 : 9,999,456.84 = 2,178,688.54 : x
  2. Step 2: Convert to fraction form
    6,665,958.94/9,999,456.84 = 2,178,688.54/x
  3. Step 3: Cross multiply
    6,665,958.94x = 9,999,456.84 × 2,178,688.54
  4. Step 4: Simplify right side
    6,665,958.94x = 21,785,702,023,532.61
  5. Step 5: Solve for x
    x = 21,785,702,023,532.61/6,665,958.94
  6. Step 6: Final answer
    x = 3,268,202.25

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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.