Home / 2,884,078.68-3,978,826.45-1,660,091.33

Finding the Fourth Proportional to 2,884,078.68, 3,978,826.45 and 1,660,091.33

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Solution

The fourth proportional to 2,884,078.68, 3,978,826.45 and 1,660,091.33 is: 2,290,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884,078.68 : 3,978,826.45 = 1,660,091.33 : x
  2. Step 2: Convert to fraction form
    2,884,078.68/3,978,826.45 = 1,660,091.33/x
  3. Step 3: Cross multiply
    2,884,078.68x = 3,978,826.45 × 1,660,091.33
  4. Step 4: Simplify right side
    2,884,078.68x = 6,605,215,273,325.55
  5. Step 5: Solve for x
    x = 6,605,215,273,325.55/2,884,078.68
  6. Step 6: Final answer
    x = 2,290,234.08

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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.