Home / 1,615,180.72-2,228,921.40-936,180.40

Finding the Fourth Proportional to 1,615,180.72, 2,228,921.40 and 936,180.40

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Solution

The fourth proportional to 1,615,180.72, 2,228,921.40 and 936,180.40 is: 1,291,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,180.72 : 2,228,921.40 = 936,180.40 : x
  2. Step 2: Convert to fraction form
    1,615,180.72/2,228,921.40 = 936,180.40/x
  3. Step 3: Cross multiply
    1,615,180.72x = 2,228,921.40 × 936,180.40
  4. Step 4: Simplify right side
    1,615,180.72x = 2,086,672,527,820.56
  5. Step 5: Solve for x
    x = 2,086,672,527,820.56/1,615,180.72
  6. Step 6: Final answer
    x = 1,291,912.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.