Home / 1,970,915.90-2,951,031.64-1,022,293.71

Finding the Fourth Proportional to 1,970,915.90, 2,951,031.64 and 1,022,293.71

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Solution

The fourth proportional to 1,970,915.90, 2,951,031.64 and 1,022,293.71 is: 1,530,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,915.90 : 2,951,031.64 = 1,022,293.71 : x
  2. Step 2: Convert to fraction form
    1,970,915.90/2,951,031.64 = 1,022,293.71/x
  3. Step 3: Cross multiply
    1,970,915.90x = 2,951,031.64 × 1,022,293.71
  4. Step 4: Simplify right side
    1,970,915.90x = 3,016,821,082,944.05
  5. Step 5: Solve for x
    x = 3,016,821,082,944.05/1,970,915.90
  6. Step 6: Final answer
    x = 1,530,669.62

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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.