Home / 1,998,415.76-2,757,813.72-1,092,997.76

Finding the Fourth Proportional to 1,998,415.76, 2,757,813.72 and 1,092,997.76

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Solution

The fourth proportional to 1,998,415.76, 2,757,813.72 and 1,092,997.76 is: 1,508,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,415.76 : 2,757,813.72 = 1,092,997.76 : x
  2. Step 2: Convert to fraction form
    1,998,415.76/2,757,813.72 = 1,092,997.76/x
  3. Step 3: Cross multiply
    1,998,415.76x = 2,757,813.72 × 1,092,997.76
  4. Step 4: Simplify right side
    1,998,415.76x = 3,014,284,218,457.27
  5. Step 5: Solve for x
    x = 3,014,284,218,457.27/1,998,415.76
  6. Step 6: Final answer
    x = 1,508,336.89

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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.