Home / 3,707,200.20-5,560,800.30-1,311,025.80

Finding the Fourth Proportional to 3,707,200.20, 5,560,800.30 and 1,311,025.80

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Solution

The fourth proportional to 3,707,200.20, 5,560,800.30 and 1,311,025.80 is: 1,966,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707,200.20 : 5,560,800.30 = 1,311,025.80 : x
  2. Step 2: Convert to fraction form
    3,707,200.20/5,560,800.30 = 1,311,025.80/x
  3. Step 3: Cross multiply
    3,707,200.20x = 5,560,800.30 × 1,311,025.80
  4. Step 4: Simplify right side
    3,707,200.20x = 7,290,352,661,947.74
  5. Step 5: Solve for x
    x = 7,290,352,661,947.74/3,707,200.20
  6. Step 6: Final answer
    x = 1,966,538.70

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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.