Home / 2,825,430.80-3,899,067.24-1,536,271.44

Finding the Fourth Proportional to 2,825,430.80, 3,899,067.24 and 1,536,271.44

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Solution

The fourth proportional to 2,825,430.80, 3,899,067.24 and 1,536,271.44 is: 2,120,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,430.80 : 3,899,067.24 = 1,536,271.44 : x
  2. Step 2: Convert to fraction form
    2,825,430.80/3,899,067.24 = 1,536,271.44/x
  3. Step 3: Cross multiply
    2,825,430.80x = 3,899,067.24 × 1,536,271.44
  4. Step 4: Simplify right side
    2,825,430.80x = 5,990,025,643,451.63
  5. Step 5: Solve for x
    x = 5,990,025,643,451.63/2,825,430.80
  6. Step 6: Final answer
    x = 2,120,039.76

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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.