Home / 3,622,179.38-4,998,365.73-1,990,551.62

Finding the Fourth Proportional to 3,622,179.38, 4,998,365.73 and 1,990,551.62

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Solution

The fourth proportional to 3,622,179.38, 4,998,365.73 and 1,990,551.62 is: 2,746,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,179.38 : 4,998,365.73 = 1,990,551.62 : x
  2. Step 2: Convert to fraction form
    3,622,179.38/4,998,365.73 = 1,990,551.62/x
  3. Step 3: Cross multiply
    3,622,179.38x = 4,998,365.73 × 1,990,551.62
  4. Step 4: Simplify right side
    3,622,179.38x = 9,949,505,001,203.99
  5. Step 5: Solve for x
    x = 9,949,505,001,203.99/3,622,179.38
  6. Step 6: Final answer
    x = 2,746,828.35

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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.