Home / 2,015,921.22-3,022,361.16-1,217,012.76

Finding the Fourth Proportional to 2,015,921.22, 3,022,361.16 and 1,217,012.76

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Solution

The fourth proportional to 2,015,921.22, 3,022,361.16 and 1,217,012.76 is: 1,824,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,921.22 : 3,022,361.16 = 1,217,012.76 : x
  2. Step 2: Convert to fraction form
    2,015,921.22/3,022,361.16 = 1,217,012.76/x
  3. Step 3: Cross multiply
    2,015,921.22x = 3,022,361.16 × 1,217,012.76
  4. Step 4: Simplify right side
    2,015,921.22x = 3,678,252,097,048.40
  5. Step 5: Solve for x
    x = 3,678,252,097,048.40/2,015,921.22
  6. Step 6: Final answer
    x = 1,824,601.11

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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.