Home / 3,989,832.56-5,505,975.24-2,270,953.20

Finding the Fourth Proportional to 3,989,832.56, 5,505,975.24 and 2,270,953.20

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Solution

The fourth proportional to 3,989,832.56, 5,505,975.24 and 2,270,953.20 is: 3,133,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,832.56 : 5,505,975.24 = 2,270,953.20 : x
  2. Step 2: Convert to fraction form
    3,989,832.56/5,505,975.24 = 2,270,953.20/x
  3. Step 3: Cross multiply
    3,989,832.56x = 5,505,975.24 × 2,270,953.20
  4. Step 4: Simplify right side
    3,989,832.56x = 12,503,812,090,398.77
  5. Step 5: Solve for x
    x = 12,503,812,090,398.77/3,989,832.56
  6. Step 6: Final answer
    x = 3,133,919.01

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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.