Home / 2,194,142.76-3,028,197.42-1,227,326.76

Finding the Fourth Proportional to 2,194,142.76, 3,028,197.42 and 1,227,326.76

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Solution

The fourth proportional to 2,194,142.76, 3,028,197.42 and 1,227,326.76 is: 1,693,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,142.76 : 3,028,197.42 = 1,227,326.76 : x
  2. Step 2: Convert to fraction form
    2,194,142.76/3,028,197.42 = 1,227,326.76/x
  3. Step 3: Cross multiply
    2,194,142.76x = 3,028,197.42 × 1,227,326.76
  4. Step 4: Simplify right side
    2,194,142.76x = 3,716,587,728,128.96
  5. Step 5: Solve for x
    x = 3,716,587,728,128.96/2,194,142.76
  6. Step 6: Final answer
    x = 1,693,867.78

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Double scale
Find fourth proportional to 2,194,143.76, 3,028,198.80 and 1,227,327.76
Similar ratio
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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.