Home / 3,960,246.80-5,940,370.20-3,393,376.40

Finding the Fourth Proportional to 3,960,246.80, 5,940,370.20 and 3,393,376.40

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Solution

The fourth proportional to 3,960,246.80, 5,940,370.20 and 3,393,376.40 is: 5,090,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,246.80 : 5,940,370.20 = 3,393,376.40 : x
  2. Step 2: Convert to fraction form
    3,960,246.80/5,940,370.20 = 3,393,376.40/x
  3. Step 3: Cross multiply
    3,960,246.80x = 5,940,370.20 × 3,393,376.40
  4. Step 4: Simplify right side
    3,960,246.80x = 20,157,912,043,943.28
  5. Step 5: Solve for x
    x = 20,157,912,043,943.28/3,960,246.80
  6. Step 6: Final answer
    x = 5,090,064.60

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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.