Home / 2,136,019.91-2,947,735.16-1,169,129.44

Finding the Fourth Proportional to 2,136,019.91, 2,947,735.16 and 1,169,129.44

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Solution

The fourth proportional to 2,136,019.91, 2,947,735.16 and 1,169,129.44 is: 1,613,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,019.91 : 2,947,735.16 = 1,169,129.44 : x
  2. Step 2: Convert to fraction form
    2,136,019.91/2,947,735.16 = 1,169,129.44/x
  3. Step 3: Cross multiply
    2,136,019.91x = 2,947,735.16 × 1,169,129.44
  4. Step 4: Simplify right side
    2,136,019.91x = 3,446,283,964,582.66
  5. Step 5: Solve for x
    x = 3,446,283,964,582.66/2,136,019.91
  6. Step 6: Final answer
    x = 1,613,413.78

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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.