Home / 3,818,891.52-5,270,205.60-2,100,142.80

Finding the Fourth Proportional to 3,818,891.52, 5,270,205.60 and 2,100,142.80

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Solution

The fourth proportional to 3,818,891.52, 5,270,205.60 and 2,100,142.80 is: 2,898,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,891.52 : 5,270,205.60 = 2,100,142.80 : x
  2. Step 2: Convert to fraction form
    3,818,891.52/5,270,205.60 = 2,100,142.80/x
  3. Step 3: Cross multiply
    3,818,891.52x = 5,270,205.60 × 2,100,142.80
  4. Step 4: Simplify right side
    3,818,891.52x = 11,068,184,345,359.68
  5. Step 5: Solve for x
    x = 11,068,184,345,359.68/3,818,891.52
  6. Step 6: Final answer
    x = 2,898,271.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.