Home / 2,189,791.93-2,999,965.06-2,107,919.20

Finding the Fourth Proportional to 2,189,791.93, 2,999,965.06 and 2,107,919.20

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Solution

The fourth proportional to 2,189,791.93, 2,999,965.06 and 2,107,919.20 is: 2,887,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,791.93 : 2,999,965.06 = 2,107,919.20 : x
  2. Step 2: Convert to fraction form
    2,189,791.93/2,999,965.06 = 2,107,919.20/x
  3. Step 3: Cross multiply
    2,189,791.93x = 2,999,965.06 × 2,107,919.20
  4. Step 4: Simplify right side
    2,189,791.93x = 6,323,683,949,303.15
  5. Step 5: Solve for x
    x = 6,323,683,949,303.15/2,189,791.93
  6. Step 6: Final answer
    x = 2,887,801.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.