Home / 1,811,997.80-2,500,558.56-996,215.36

Finding the Fourth Proportional to 1,811,997.80, 2,500,558.56 and 996,215.36

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Solution

The fourth proportional to 1,811,997.80, 2,500,558.56 and 996,215.36 is: 1,374,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,997.80 : 2,500,558.56 = 996,215.36 : x
  2. Step 2: Convert to fraction form
    1,811,997.80/2,500,558.56 = 996,215.36/x
  3. Step 3: Cross multiply
    1,811,997.80x = 2,500,558.56 × 996,215.36
  4. Step 4: Simplify right side
    1,811,997.80x = 2,491,094,833,548.69
  5. Step 5: Solve for x
    x = 2,491,094,833,548.69/1,811,997.80
  6. Step 6: Final answer
    x = 1,374,778.07

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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.