Home / 1,561,190.97-2,154,415.55-882,112.89

Finding the Fourth Proportional to 1,561,190.97, 2,154,415.55 and 882,112.89

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Solution

The fourth proportional to 1,561,190.97, 2,154,415.55 and 882,112.89 is: 1,217,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,190.97 : 2,154,415.55 = 882,112.89 : x
  2. Step 2: Convert to fraction form
    1,561,190.97/2,154,415.55 = 882,112.89/x
  3. Step 3: Cross multiply
    1,561,190.97x = 2,154,415.55 × 882,112.89
  4. Step 4: Simplify right side
    1,561,190.97x = 1,900,437,722,660.88
  5. Step 5: Solve for x
    x = 1,900,437,722,660.88/1,561,190.97
  6. Step 6: Final answer
    x = 1,217,299.97

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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.