Home / 2,040,012.84-3,057,219.90-1,290,717.48

Finding the Fourth Proportional to 2,040,012.84, 3,057,219.90 and 1,290,717.48

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Solution

The fourth proportional to 2,040,012.84, 3,057,219.90 and 1,290,717.48 is: 1,934,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,012.84 : 3,057,219.90 = 1,290,717.48 : x
  2. Step 2: Convert to fraction form
    2,040,012.84/3,057,219.90 = 1,290,717.48/x
  3. Step 3: Cross multiply
    2,040,012.84x = 3,057,219.90 × 1,290,717.48
  4. Step 4: Simplify right side
    2,040,012.84x = 3,946,007,165,133.85
  5. Step 5: Solve for x
    x = 3,946,007,165,133.85/2,040,012.84
  6. Step 6: Final answer
    x = 1,934,305.06

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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.