Home / 2,375,670.96-3,278,448.99-1,287,939.78

Finding the Fourth Proportional to 2,375,670.96, 3,278,448.99 and 1,287,939.78

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Solution

The fourth proportional to 2,375,670.96, 3,278,448.99 and 1,287,939.78 is: 1,777,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375,670.96 : 3,278,448.99 = 1,287,939.78 : x
  2. Step 2: Convert to fraction form
    2,375,670.96/3,278,448.99 = 1,287,939.78/x
  3. Step 3: Cross multiply
    2,375,670.96x = 3,278,448.99 × 1,287,939.78
  4. Step 4: Simplify right side
    2,375,670.96x = 4,222,444,870,921.82
  5. Step 5: Solve for x
    x = 4,222,444,870,921.82/2,375,670.96
  6. Step 6: Final answer
    x = 1,777,369.40

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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.