Home / 1,581,149.52-2,181,983.64-855,996.96

Finding the Fourth Proportional to 1,581,149.52, 2,181,983.64 and 855,996.96

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Solution

The fourth proportional to 1,581,149.52, 2,181,983.64 and 855,996.96 is: 1,181,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,149.52 : 2,181,983.64 = 855,996.96 : x
  2. Step 2: Convert to fraction form
    1,581,149.52/2,181,983.64 = 855,996.96/x
  3. Step 3: Cross multiply
    1,581,149.52x = 2,181,983.64 × 855,996.96
  4. Step 4: Simplify right side
    1,581,149.52x = 1,867,771,362,609.73
  5. Step 5: Solve for x
    x = 1,867,771,362,609.73/1,581,149.52
  6. Step 6: Final answer
    x = 1,181,274.34

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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.