Home / 2,907,512.82-4,012,367.81-1,618,325.53

Finding the Fourth Proportional to 2,907,512.82, 4,012,367.81 and 1,618,325.53

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Solution

The fourth proportional to 2,907,512.82, 4,012,367.81 and 1,618,325.53 is: 2,233,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,512.82 : 4,012,367.81 = 1,618,325.53 : x
  2. Step 2: Convert to fraction form
    2,907,512.82/4,012,367.81 = 1,618,325.53/x
  3. Step 3: Cross multiply
    2,907,512.82x = 4,012,367.81 × 1,618,325.53
  4. Step 4: Simplify right side
    2,907,512.82x = 6,493,317,244,550.64
  5. Step 5: Solve for x
    x = 6,493,317,244,550.64/2,907,512.82
  6. Step 6: Final answer
    x = 2,233,289.29

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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.