Home / 5,115,028.20-7,691,204.70-4,293,882.60

Finding the Fourth Proportional to 5,115,028.20, 7,691,204.70 and 4,293,882.60

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Solution

The fourth proportional to 5,115,028.20, 7,691,204.70 and 4,293,882.60 is: 6,456,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,028.20 : 7,691,204.70 = 4,293,882.60 : x
  2. Step 2: Convert to fraction form
    5,115,028.20/7,691,204.70 = 4,293,882.60/x
  3. Step 3: Cross multiply
    5,115,028.20x = 7,691,204.70 × 4,293,882.60
  4. Step 4: Simplify right side
    5,115,028.20x = 33,025,130,034,368.22
  5. Step 5: Solve for x
    x = 33,025,130,034,368.22/5,115,028.20
  6. Step 6: Final answer
    x = 6,456,490.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.