Home / 2,078,198.70-3,115,570.05-881,040.30

Finding the Fourth Proportional to 2,078,198.70, 3,115,570.05 and 881,040.30

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Solution

The fourth proportional to 2,078,198.70, 3,115,570.05 and 881,040.30 is: 1,320,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,198.70 : 3,115,570.05 = 881,040.30 : x
  2. Step 2: Convert to fraction form
    2,078,198.70/3,115,570.05 = 881,040.30/x
  3. Step 3: Cross multiply
    2,078,198.70x = 3,115,570.05 × 881,040.30
  4. Step 4: Simplify right side
    2,078,198.70x = 2,744,942,771,523.02
  5. Step 5: Solve for x
    x = 2,744,942,771,523.02/2,078,198.70
  6. Step 6: Final answer
    x = 1,320,827.87

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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.