Home / 5,147,229.88-7,104,028.76-2,856,128.68

Finding the Fourth Proportional to 5,147,229.88, 7,104,028.76 and 2,856,128.68

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Solution

The fourth proportional to 5,147,229.88, 7,104,028.76 and 2,856,128.68 is: 3,941,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,229.88 : 7,104,028.76 = 2,856,128.68 : x
  2. Step 2: Convert to fraction form
    5,147,229.88/7,104,028.76 = 2,856,128.68/x
  3. Step 3: Cross multiply
    5,147,229.88x = 7,104,028.76 × 2,856,128.68
  4. Step 4: Simplify right side
    5,147,229.88x = 20,290,020,284,980.84
  5. Step 5: Solve for x
    x = 20,290,020,284,980.84/5,147,229.88
  6. Step 6: Final answer
    x = 3,941,930.08

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Double scale
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Similar ratio
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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.