Home / 2,761,198.69-3,810,417.86-1,520,785.21

Finding the Fourth Proportional to 2,761,198.69, 3,810,417.86 and 1,520,785.21

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Solution

The fourth proportional to 2,761,198.69, 3,810,417.86 and 1,520,785.21 is: 2,098,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,198.69 : 3,810,417.86 = 1,520,785.21 : x
  2. Step 2: Convert to fraction form
    2,761,198.69/3,810,417.86 = 1,520,785.21/x
  3. Step 3: Cross multiply
    2,761,198.69x = 3,810,417.86 × 1,520,785.21
  4. Step 4: Simplify right side
    2,761,198.69x = 5,794,827,125,407.85
  5. Step 5: Solve for x
    x = 5,794,827,125,407.85/2,761,198.69
  6. Step 6: Final answer
    x = 2,098,663.58

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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.