Home / 3,761,476.38-5,190,899.18-2,129,840.73

Finding the Fourth Proportional to 3,761,476.38, 5,190,899.18 and 2,129,840.73

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Solution

The fourth proportional to 3,761,476.38, 5,190,899.18 and 2,129,840.73 is: 2,939,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,476.38 : 5,190,899.18 = 2,129,840.73 : x
  2. Step 2: Convert to fraction form
    3,761,476.38/5,190,899.18 = 2,129,840.73/x
  3. Step 3: Cross multiply
    3,761,476.38x = 5,190,899.18 × 2,129,840.73
  4. Step 4: Simplify right side
    3,761,476.38x = 11,055,788,488,238.40
  5. Step 5: Solve for x
    x = 11,055,788,488,238.40/3,761,476.38
  6. Step 6: Final answer
    x = 2,939,215.18

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Double scale
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1.5x scale

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.