Home / 3,281,607.20-4,922,410.80-3,207,879.20

Finding the Fourth Proportional to 3,281,607.20, 4,922,410.80 and 3,207,879.20

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Solution

The fourth proportional to 3,281,607.20, 4,922,410.80 and 3,207,879.20 is: 4,811,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,607.20 : 4,922,410.80 = 3,207,879.20 : x
  2. Step 2: Convert to fraction form
    3,281,607.20/4,922,410.80 = 3,207,879.20/x
  3. Step 3: Cross multiply
    3,281,607.20x = 4,922,410.80 × 3,207,879.20
  4. Step 4: Simplify right side
    3,281,607.20x = 15,790,499,219,175.36
  5. Step 5: Solve for x
    x = 15,790,499,219,175.36/3,281,607.20
  6. Step 6: Final answer
    x = 4,811,818.80

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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.