Home / 3,179,055.06-4,387,211.40-1,821,190.50

Finding the Fourth Proportional to 3,179,055.06, 4,387,211.40 and 1,821,190.50

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Solution

The fourth proportional to 3,179,055.06, 4,387,211.40 and 1,821,190.50 is: 2,513,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,055.06 : 4,387,211.40 = 1,821,190.50 : x
  2. Step 2: Convert to fraction form
    3,179,055.06/4,387,211.40 = 1,821,190.50/x
  3. Step 3: Cross multiply
    3,179,055.06x = 4,387,211.40 × 1,821,190.50
  4. Step 4: Simplify right side
    3,179,055.06x = 7,989,947,723,171.70
  5. Step 5: Solve for x
    x = 7,989,947,723,171.70/3,179,055.06
  6. Step 6: Final answer
    x = 2,513,309.01

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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.