Home / 2,126,243.66-3,187,109.64-1,045,231.70

Finding the Fourth Proportional to 2,126,243.66, 3,187,109.64 and 1,045,231.70

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Solution

The fourth proportional to 2,126,243.66, 3,187,109.64 and 1,045,231.70 is: 1,566,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,243.66 : 3,187,109.64 = 1,045,231.70 : x
  2. Step 2: Convert to fraction form
    2,126,243.66/3,187,109.64 = 1,045,231.70/x
  3. Step 3: Cross multiply
    2,126,243.66x = 3,187,109.64 × 1,045,231.70
  4. Step 4: Simplify right side
    2,126,243.66x = 3,331,268,027,103.59
  5. Step 5: Solve for x
    x = 3,331,268,027,103.59/2,126,243.66
  6. Step 6: Final answer
    x = 1,566,738.61

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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.