Home / 3,874,015-5,346,115.32-2,131,790.32

Finding the Fourth Proportional to 3,874,015, 5,346,115.32 and 2,131,790.32

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Solution

The fourth proportional to 3,874,015, 5,346,115.32 and 2,131,790.32 is: 2,941,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,015 : 5,346,115.32 = 2,131,790.32 : x
  2. Step 2: Convert to fraction form
    3,874,015/5,346,115.32 = 2,131,790.32/x
  3. Step 3: Cross multiply
    3,874,015x = 5,346,115.32 × 2,131,790.32
  4. Step 4: Simplify right side
    3,874,015x = 11,396,796,888,779.70
  5. Step 5: Solve for x
    x = 11,396,796,888,779.70/3,874,015
  6. Step 6: Final answer
    x = 2,941,856.68

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Double scale
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1.5x scale

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.