Home / 2,128,614.54-3,191,226.43-1,229,035.86

Finding the Fourth Proportional to 2,128,614.54, 3,191,226.43 and 1,229,035.86

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Solution

The fourth proportional to 2,128,614.54, 3,191,226.43 and 1,229,035.86 is: 1,842,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,614.54 : 3,191,226.43 = 1,229,035.86 : x
  2. Step 2: Convert to fraction form
    2,128,614.54/3,191,226.43 = 1,229,035.86/x
  3. Step 3: Cross multiply
    2,128,614.54x = 3,191,226.43 × 1,229,035.86
  4. Step 4: Simplify right side
    2,128,614.54x = 3,922,131,719,849.78
  5. Step 5: Solve for x
    x = 3,922,131,719,849.78/2,128,614.54
  6. Step 6: Final answer
    x = 1,842,574.90

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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.