Home / 3,105,815.12-4,285,162.73-2,002,779.80

Finding the Fourth Proportional to 3,105,815.12, 4,285,162.73 and 2,002,779.80

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Solution

The fourth proportional to 3,105,815.12, 4,285,162.73 and 2,002,779.80 is: 2,763,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,815.12 : 4,285,162.73 = 2,002,779.80 : x
  2. Step 2: Convert to fraction form
    3,105,815.12/4,285,162.73 = 2,002,779.80/x
  3. Step 3: Cross multiply
    3,105,815.12x = 4,285,162.73 × 2,002,779.80
  4. Step 4: Simplify right side
    3,105,815.12x = 8,582,237,323,917.14
  5. Step 5: Solve for x
    x = 8,582,237,323,917.14/3,105,815.12
  6. Step 6: Final answer
    x = 2,763,280.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.