Home / 2,049,431.08-2,828,464.25-1,189,991.33

Finding the Fourth Proportional to 2,049,431.08, 2,828,464.25 and 1,189,991.33

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Solution

The fourth proportional to 2,049,431.08, 2,828,464.25 and 1,189,991.33 is: 1,642,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,431.08 : 2,828,464.25 = 1,189,991.33 : x
  2. Step 2: Convert to fraction form
    2,049,431.08/2,828,464.25 = 1,189,991.33/x
  3. Step 3: Cross multiply
    2,049,431.08x = 2,828,464.25 × 1,189,991.33
  4. Step 4: Simplify right side
    2,049,431.08x = 3,365,847,935,836.16
  5. Step 5: Solve for x
    x = 3,365,847,935,836.16/2,049,431.08
  6. Step 6: Final answer
    x = 1,642,332.83

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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.