Home / 3,115,384.20-4,669,577.10-1,317,961.80

Finding the Fourth Proportional to 3,115,384.20, 4,669,577.10 and 1,317,961.80

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Solution

The fourth proportional to 3,115,384.20, 4,669,577.10 and 1,317,961.80 is: 1,975,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,384.20 : 4,669,577.10 = 1,317,961.80 : x
  2. Step 2: Convert to fraction form
    3,115,384.20/4,669,577.10 = 1,317,961.80/x
  3. Step 3: Cross multiply
    3,115,384.20x = 4,669,577.10 × 1,317,961.80
  4. Step 4: Simplify right side
    3,115,384.20x = 6,154,324,239,954.78
  5. Step 5: Solve for x
    x = 6,154,324,239,954.78/3,115,384.20
  6. Step 6: Final answer
    x = 1,975,462.37

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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.