Home / 2,015,704.20-3,020,057.10-1,305,366.60

Finding the Fourth Proportional to 2,015,704.20, 3,020,057.10 and 1,305,366.60

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Solution

The fourth proportional to 2,015,704.20, 3,020,057.10 and 1,305,366.60 is: 1,955,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,704.20 : 3,020,057.10 = 1,305,366.60 : x
  2. Step 2: Convert to fraction form
    2,015,704.20/3,020,057.10 = 1,305,366.60/x
  3. Step 3: Cross multiply
    2,015,704.20x = 3,020,057.10 × 1,305,366.60
  4. Step 4: Simplify right side
    2,015,704.20x = 3,942,281,668,432.86
  5. Step 5: Solve for x
    x = 3,942,281,668,432.86/2,015,704.20
  6. Step 6: Final answer
    x = 1,955,783.82

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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.