Home / 3,120,976.80-4,684,964.40-2,414,138.40

Finding the Fourth Proportional to 3,120,976.80, 4,684,964.40 and 2,414,138.40

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Solution

The fourth proportional to 3,120,976.80, 4,684,964.40 and 2,414,138.40 is: 3,623,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,976.80 : 4,684,964.40 = 2,414,138.40 : x
  2. Step 2: Convert to fraction form
    3,120,976.80/4,684,964.40 = 2,414,138.40/x
  3. Step 3: Cross multiply
    3,120,976.80x = 4,684,964.40 × 2,414,138.40
  4. Step 4: Simplify right side
    3,120,976.80x = 11,310,152,460,672.96
  5. Step 5: Solve for x
    x = 11,310,152,460,672.96/3,120,976.80
  6. Step 6: Final answer
    x = 3,623,914.30

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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.