Home / 2,134,953.78-2,945,945.22-1,275,331.56

Finding the Fourth Proportional to 2,134,953.78, 2,945,945.22 and 1,275,331.56

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Solution

The fourth proportional to 2,134,953.78, 2,945,945.22 and 1,275,331.56 is: 1,759,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,953.78 : 2,945,945.22 = 1,275,331.56 : x
  2. Step 2: Convert to fraction form
    2,134,953.78/2,945,945.22 = 1,275,331.56/x
  3. Step 3: Cross multiply
    2,134,953.78x = 2,945,945.22 × 1,275,331.56
  4. Step 4: Simplify right side
    2,134,953.78x = 3,757,056,913,097.14
  5. Step 5: Solve for x
    x = 3,757,056,913,097.14/2,134,953.78
  6. Step 6: Final answer
    x = 1,759,783.72

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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.