Home / 2,720,175.35-3,753,866.36-1,479,812.72

Finding the Fourth Proportional to 2,720,175.35, 3,753,866.36 and 1,479,812.72

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Solution

The fourth proportional to 2,720,175.35, 3,753,866.36 and 1,479,812.72 is: 2,042,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,175.35 : 3,753,866.36 = 1,479,812.72 : x
  2. Step 2: Convert to fraction form
    2,720,175.35/3,753,866.36 = 1,479,812.72/x
  3. Step 3: Cross multiply
    2,720,175.35x = 3,753,866.36 × 1,479,812.72
  4. Step 4: Simplify right side
    2,720,175.35x = 5,555,019,173,638.30
  5. Step 5: Solve for x
    x = 5,555,019,173,638.30/2,720,175.35
  6. Step 6: Final answer
    x = 2,042,154.81

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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.