Home / 3,179,027.69-4,387,173.57-1,821,163.13

Finding the Fourth Proportional to 3,179,027.69, 4,387,173.57 and 1,821,163.13

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Solution

The fourth proportional to 3,179,027.69, 4,387,173.57 and 1,821,163.13 is: 2,513,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,027.69 : 4,387,173.57 = 1,821,163.13 : x
  2. Step 2: Convert to fraction form
    3,179,027.69/4,387,173.57 = 1,821,163.13/x
  3. Step 3: Cross multiply
    3,179,027.69x = 4,387,173.57 × 1,821,163.13
  4. Step 4: Simplify right side
    3,179,027.69x = 7,989,758,728,658.61
  5. Step 5: Solve for x
    x = 7,989,758,728,658.61/3,179,027.69
  6. Step 6: Final answer
    x = 2,513,271.20

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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.