Home / 3,109,691.26-4,665,892.20-1,089,384.40

Finding the Fourth Proportional to 3,109,691.26, 4,665,892.20 and 1,089,384.40

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Solution

The fourth proportional to 3,109,691.26, 4,665,892.20 and 1,089,384.40 is: 1,634,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,691.26 : 4,665,892.20 = 1,089,384.40 : x
  2. Step 2: Convert to fraction form
    3,109,691.26/4,665,892.20 = 1,089,384.40/x
  3. Step 3: Cross multiply
    3,109,691.26x = 4,665,892.20 × 1,089,384.40
  4. Step 4: Simplify right side
    3,109,691.26x = 5,082,950,174,761.68
  5. Step 5: Solve for x
    x = 5,082,950,174,761.68/3,109,691.26
  6. Step 6: Final answer
    x = 1,634,551.39

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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.