Home / 1,876,997.38-2,590,276.78-1,102,660.86

Finding the Fourth Proportional to 1,876,997.38, 2,590,276.78 and 1,102,660.86

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Solution

The fourth proportional to 1,876,997.38, 2,590,276.78 and 1,102,660.86 is: 1,521,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,997.38 : 2,590,276.78 = 1,102,660.86 : x
  2. Step 2: Convert to fraction form
    1,876,997.38/2,590,276.78 = 1,102,660.86/x
  3. Step 3: Cross multiply
    1,876,997.38x = 2,590,276.78 × 1,102,660.86
  4. Step 4: Simplify right side
    1,876,997.38x = 2,856,196,811,470.13
  5. Step 5: Solve for x
    x = 2,856,196,811,470.13/1,876,997.38
  6. Step 6: Final answer
    x = 1,521,683.96

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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.