Home / 3,315,511.20-4,975,724.40-2,193,207.20

Finding the Fourth Proportional to 3,315,511.20, 4,975,724.40 and 2,193,207.20

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Solution

The fourth proportional to 3,315,511.20, 4,975,724.40 and 2,193,207.20 is: 3,291,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,511.20 : 4,975,724.40 = 2,193,207.20 : x
  2. Step 2: Convert to fraction form
    3,315,511.20/4,975,724.40 = 2,193,207.20/x
  3. Step 3: Cross multiply
    3,315,511.20x = 4,975,724.40 × 2,193,207.20
  4. Step 4: Simplify right side
    3,315,511.20x = 10,912,794,579,295.68
  5. Step 5: Solve for x
    x = 10,912,794,579,295.68/3,315,511.20
  6. Step 6: Final answer
    x = 3,291,436.50

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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.