Home / 4,947,121.80-7,420,682.70-4,451,110.20

Finding the Fourth Proportional to 4,947,121.80, 7,420,682.70 and 4,451,110.20

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Solution

The fourth proportional to 4,947,121.80, 7,420,682.70 and 4,451,110.20 is: 6,676,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,121.80 : 7,420,682.70 = 4,451,110.20 : x
  2. Step 2: Convert to fraction form
    4,947,121.80/7,420,682.70 = 4,451,110.20/x
  3. Step 3: Cross multiply
    4,947,121.80x = 7,420,682.70 × 4,451,110.20
  4. Step 4: Simplify right side
    4,947,121.80x = 33,030,276,456,933.54
  5. Step 5: Solve for x
    x = 33,030,276,456,933.54/4,947,121.80
  6. Step 6: Final answer
    x = 6,676,665.30

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1.5x scale

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.