Home / 3,414,057.60-5,121,086.40-889,712.86

Finding the Fourth Proportional to 3,414,057.60, 5,121,086.40 and 889,712.86

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Solution

The fourth proportional to 3,414,057.60, 5,121,086.40 and 889,712.86 is: 1,334,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414,057.60 : 5,121,086.40 = 889,712.86 : x
  2. Step 2: Convert to fraction form
    3,414,057.60/5,121,086.40 = 889,712.86/x
  3. Step 3: Cross multiply
    3,414,057.60x = 5,121,086.40 × 889,712.86
  4. Step 4: Simplify right side
    3,414,057.60x = 4,556,296,427,251.10
  5. Step 5: Solve for x
    x = 4,556,296,427,251.10/3,414,057.60
  6. Step 6: Final answer
    x = 1,334,569.29

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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.