Home / 1,989,541.36-2,981,816.34-850,967.56

Finding the Fourth Proportional to 1,989,541.36, 2,981,816.34 and 850,967.56

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Solution

The fourth proportional to 1,989,541.36, 2,981,816.34 and 850,967.56 is: 1,275,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,541.36 : 2,981,816.34 = 850,967.56 : x
  2. Step 2: Convert to fraction form
    1,989,541.36/2,981,816.34 = 850,967.56/x
  3. Step 3: Cross multiply
    1,989,541.36x = 2,981,816.34 × 850,967.56
  4. Step 4: Simplify right side
    1,989,541.36x = 2,537,428,975,217.93
  5. Step 5: Solve for x
    x = 2,537,428,975,217.93/1,989,541.36
  6. Step 6: Final answer
    x = 1,275,383.88

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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.