Home / 2,078,173.70-3,115,532.55-881,015.30

Finding the Fourth Proportional to 2,078,173.70, 3,115,532.55 and 881,015.30

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Solution

The fourth proportional to 2,078,173.70, 3,115,532.55 and 881,015.30 is: 1,320,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,173.70 : 3,115,532.55 = 881,015.30 : x
  2. Step 2: Convert to fraction form
    2,078,173.70/3,115,532.55 = 881,015.30/x
  3. Step 3: Cross multiply
    2,078,173.70x = 3,115,532.55 × 881,015.30
  4. Step 4: Simplify right side
    2,078,173.70x = 2,744,831,844,198.02
  5. Step 5: Solve for x
    x = 2,744,831,844,198.02/2,078,173.70
  6. Step 6: Final answer
    x = 1,320,790.39

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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.