Home / 3,887,759.03-5,365,109.77-2,168,879.54

Finding the Fourth Proportional to 3,887,759.03, 5,365,109.77 and 2,168,879.54

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Solution

The fourth proportional to 3,887,759.03, 5,365,109.77 and 2,168,879.54 is: 2,993,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,759.03 : 5,365,109.77 = 2,168,879.54 : x
  2. Step 2: Convert to fraction form
    3,887,759.03/5,365,109.77 = 2,168,879.54/x
  3. Step 3: Cross multiply
    3,887,759.03x = 5,365,109.77 × 2,168,879.54
  4. Step 4: Simplify right side
    3,887,759.03x = 11,636,276,810,007.11
  5. Step 5: Solve for x
    x = 11,636,276,810,007.11/3,887,759.03
  6. Step 6: Final answer
    x = 2,993,055.05

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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.