Home / 5,517,055.12-8,275,628.78-1,922,816.24

Finding the Fourth Proportional to 5,517,055.12, 8,275,628.78 and 1,922,816.24

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Solution

The fourth proportional to 5,517,055.12, 8,275,628.78 and 1,922,816.24 is: 2,884,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517,055.12 : 8,275,628.78 = 1,922,816.24 : x
  2. Step 2: Convert to fraction form
    5,517,055.12/8,275,628.78 = 1,922,816.24/x
  3. Step 3: Cross multiply
    5,517,055.12x = 8,275,628.78 × 1,922,816.24
  4. Step 4: Simplify right side
    5,517,055.12x = 15,912,513,414,395.39
  5. Step 5: Solve for x
    x = 15,912,513,414,395.39/5,517,055.12
  6. Step 6: Final answer
    x = 2,884,240.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.