Home / 3,179,027.71-4,387,173.74-1,821,163.15

Finding the Fourth Proportional to 3,179,027.71, 4,387,173.74 and 1,821,163.15

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Solution

The fourth proportional to 3,179,027.71, 4,387,173.74 and 1,821,163.15 is: 2,513,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,027.71 : 4,387,173.74 = 1,821,163.15 : x
  2. Step 2: Convert to fraction form
    3,179,027.71/4,387,173.74 = 1,821,163.15/x
  3. Step 3: Cross multiply
    3,179,027.71x = 4,387,173.74 × 1,821,163.15
  4. Step 4: Simplify right side
    3,179,027.71x = 7,989,759,147,935.68
  5. Step 5: Solve for x
    x = 7,989,759,147,935.68/3,179,027.71
  6. Step 6: Final answer
    x = 2,513,271.31

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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.