Home / 3,720,837.60-5,579,944.20-1,324,760.40

Finding the Fourth Proportional to 3,720,837.60, 5,579,944.20 and 1,324,760.40

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Solution

The fourth proportional to 3,720,837.60, 5,579,944.20 and 1,324,760.40 is: 1,986,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,837.60 : 5,579,944.20 = 1,324,760.40 : x
  2. Step 2: Convert to fraction form
    3,720,837.60/5,579,944.20 = 1,324,760.40/x
  3. Step 3: Cross multiply
    3,720,837.60x = 5,579,944.20 × 1,324,760.40
  4. Step 4: Simplify right side
    3,720,837.60x = 7,392,089,110,369.68
  5. Step 5: Solve for x
    x = 7,392,089,110,369.68/3,720,837.60
  6. Step 6: Final answer
    x = 1,986,673.41

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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.