Home / 2,961,478.96-4,442,489.54-831,548.73

Finding the Fourth Proportional to 2,961,478.96, 4,442,489.54 and 831,548.73

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Solution

The fourth proportional to 2,961,478.96, 4,442,489.54 and 831,548.73 is: 1,247,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,478.96 : 4,442,489.54 = 831,548.73 : x
  2. Step 2: Convert to fraction form
    2,961,478.96/4,442,489.54 = 831,548.73/x
  3. Step 3: Cross multiply
    2,961,478.96x = 4,442,489.54 × 831,548.73
  4. Step 4: Simplify right side
    2,961,478.96x = 3,694,146,535,025.28
  5. Step 5: Solve for x
    x = 3,694,146,535,025.28/2,961,478.96
  6. Step 6: Final answer
    x = 1,247,399.22

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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.