Home / 1,581,062.88-2,181,867.53-855,910.61

Finding the Fourth Proportional to 1,581,062.88, 2,181,867.53 and 855,910.61

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Solution

The fourth proportional to 1,581,062.88, 2,181,867.53 and 855,910.61 is: 1,181,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,062.88 : 2,181,867.53 = 855,910.61 : x
  2. Step 2: Convert to fraction form
    1,581,062.88/2,181,867.53 = 855,910.61/x
  3. Step 3: Cross multiply
    1,581,062.88x = 2,181,867.53 × 855,910.61
  4. Step 4: Simplify right side
    1,581,062.88x = 1,867,483,553,352.60
  5. Step 5: Solve for x
    x = 1,867,483,553,352.60/1,581,062.88
  6. Step 6: Final answer
    x = 1,181,157.04

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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.