Home / 3,201,813.20-4,805,441.40-1,309,912.40

Finding the Fourth Proportional to 3,201,813.20, 4,805,441.40 and 1,309,912.40

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Solution

The fourth proportional to 3,201,813.20, 4,805,441.40 and 1,309,912.40 is: 1,965,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201,813.20 : 4,805,441.40 = 1,309,912.40 : x
  2. Step 2: Convert to fraction form
    3,201,813.20/4,805,441.40 = 1,309,912.40/x
  3. Step 3: Cross multiply
    3,201,813.20x = 4,805,441.40 × 1,309,912.40
  4. Step 4: Simplify right side
    3,201,813.20x = 6,294,707,277,333.36
  5. Step 5: Solve for x
    x = 6,294,707,277,333.36/3,201,813.20
  6. Step 6: Final answer
    x = 1,965,982.05

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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.