Home / 3,390,517.25-5,085,372.96-1,115,477.45

Finding the Fourth Proportional to 3,390,517.25, 5,085,372.96 and 1,115,477.45

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Solution

The fourth proportional to 3,390,517.25, 5,085,372.96 and 1,115,477.45 is: 1,673,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,517.25 : 5,085,372.96 = 1,115,477.45 : x
  2. Step 2: Convert to fraction form
    3,390,517.25/5,085,372.96 = 1,115,477.45/x
  3. Step 3: Cross multiply
    3,390,517.25x = 5,085,372.96 × 1,115,477.45
  4. Step 4: Simplify right side
    3,390,517.25x = 5,672,618,882,619.00
  5. Step 5: Solve for x
    x = 5,672,618,882,619.00/3,390,517.25
  6. Step 6: Final answer
    x = 1,673,083.62

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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.