Home / 2,519,790.25-3,780,221.16-814,031.38

Finding the Fourth Proportional to 2,519,790.25, 3,780,221.16 and 814,031.38

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Solution

The fourth proportional to 2,519,790.25, 3,780,221.16 and 814,031.38 is: 1,221,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,790.25 : 3,780,221.16 = 814,031.38 : x
  2. Step 2: Convert to fraction form
    2,519,790.25/3,780,221.16 = 814,031.38/x
  3. Step 3: Cross multiply
    2,519,790.25x = 3,780,221.16 × 814,031.38
  4. Step 4: Simplify right side
    2,519,790.25x = 3,077,218,647,580.00
  5. Step 5: Solve for x
    x = 3,077,218,647,580.00/2,519,790.25
  6. Step 6: Final answer
    x = 1,221,220.16

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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.