Home / 3,820,833.60-5,272,794-2,189,208.12

Finding the Fourth Proportional to 3,820,833.60, 5,272,794 and 2,189,208.12

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Solution

The fourth proportional to 3,820,833.60, 5,272,794 and 2,189,208.12 is: 3,021,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,833.60 : 5,272,794 = 2,189,208.12 : x
  2. Step 2: Convert to fraction form
    3,820,833.60/5,272,794 = 2,189,208.12/x
  3. Step 3: Cross multiply
    3,820,833.60x = 5,272,794 × 2,189,208.12
  4. Step 4: Simplify right side
    3,820,833.60x = 11,543,243,439,887.28
  5. Step 5: Solve for x
    x = 11,543,243,439,887.28/3,820,833.60
  6. Step 6: Final answer
    x = 3,021,132.21

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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.