Home / 2,201,080.72-3,036,204.51-1,383,990.79

Finding the Fourth Proportional to 2,201,080.72, 3,036,204.51 and 1,383,990.79

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Solution

The fourth proportional to 2,201,080.72, 3,036,204.51 and 1,383,990.79 is: 1,909,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,080.72 : 3,036,204.51 = 1,383,990.79 : x
  2. Step 2: Convert to fraction form
    2,201,080.72/3,036,204.51 = 1,383,990.79/x
  3. Step 3: Cross multiply
    2,201,080.72x = 3,036,204.51 × 1,383,990.79
  4. Step 4: Simplify right side
    2,201,080.72x = 4,202,079,078,396.46
  5. Step 5: Solve for x
    x = 4,202,079,078,396.46/2,201,080.72
  6. Step 6: Final answer
    x = 1,909,098.13

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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.