Home / 6,665,958.96-9,999,456.80-2,178,688.56

Finding the Fourth Proportional to 6,665,958.96, 9,999,456.80 and 2,178,688.56

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Solution

The fourth proportional to 6,665,958.96, 9,999,456.80 and 2,178,688.56 is: 3,268,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,958.96 : 9,999,456.80 = 2,178,688.56 : x
  2. Step 2: Convert to fraction form
    6,665,958.96/9,999,456.80 = 2,178,688.56/x
  3. Step 3: Cross multiply
    6,665,958.96x = 9,999,456.80 × 2,178,688.56
  4. Step 4: Simplify right side
    6,665,958.96x = 21,785,702,136,374.21
  5. Step 5: Solve for x
    x = 21,785,702,136,374.21/6,665,958.96
  6. Step 6: Final answer
    x = 3,268,202.26

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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.