Home / 4,218,455.68-5,821,980.32-2,382,991.36

Finding the Fourth Proportional to 4,218,455.68, 5,821,980.32 and 2,382,991.36

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Solution

The fourth proportional to 4,218,455.68, 5,821,980.32 and 2,382,991.36 is: 3,288,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,455.68 : 5,821,980.32 = 2,382,991.36 : x
  2. Step 2: Convert to fraction form
    4,218,455.68/5,821,980.32 = 2,382,991.36/x
  3. Step 3: Cross multiply
    4,218,455.68x = 5,821,980.32 × 2,382,991.36
  4. Step 4: Simplify right side
    4,218,455.68x = 13,873,728,800,650.04
  5. Step 5: Solve for x
    x = 13,873,728,800,650.04/4,218,455.68
  6. Step 6: Final answer
    x = 3,288,817.01

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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.