Home / 4,345,105.20-6,518,435.40-1,821,015.60

Finding the Fourth Proportional to 4,345,105.20, 6,518,435.40 and 1,821,015.60

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Solution

The fourth proportional to 4,345,105.20, 6,518,435.40 and 1,821,015.60 is: 2,731,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,105.20 : 6,518,435.40 = 1,821,015.60 : x
  2. Step 2: Convert to fraction form
    4,345,105.20/6,518,435.40 = 1,821,015.60/x
  3. Step 3: Cross multiply
    4,345,105.20x = 6,518,435.40 × 1,821,015.60
  4. Step 4: Simplify right side
    4,345,105.20x = 11,870,172,550,992.24
  5. Step 5: Solve for x
    x = 11,870,172,550,992.24/4,345,105.20
  6. Step 6: Final answer
    x = 2,731,849.29

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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.