Home / 1,964,716.20-2,947,074.30-1,728,520.20

Finding the Fourth Proportional to 1,964,716.20, 2,947,074.30 and 1,728,520.20

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Solution

The fourth proportional to 1,964,716.20, 2,947,074.30 and 1,728,520.20 is: 2,592,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,716.20 : 2,947,074.30 = 1,728,520.20 : x
  2. Step 2: Convert to fraction form
    1,964,716.20/2,947,074.30 = 1,728,520.20/x
  3. Step 3: Cross multiply
    1,964,716.20x = 2,947,074.30 × 1,728,520.20
  4. Step 4: Simplify right side
    1,964,716.20x = 5,094,077,458,450.86
  5. Step 5: Solve for x
    x = 5,094,077,458,450.86/1,964,716.20
  6. Step 6: Final answer
    x = 2,592,780.30

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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.