Home / 2,384,619-3,290,742.39-1,296,867.15

Finding the Fourth Proportional to 2,384,619, 3,290,742.39 and 1,296,867.15

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Solution

The fourth proportional to 2,384,619, 3,290,742.39 and 1,296,867.15 is: 1,789,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384,619 : 3,290,742.39 = 1,296,867.15 : x
  2. Step 2: Convert to fraction form
    2,384,619/3,290,742.39 = 1,296,867.15/x
  3. Step 3: Cross multiply
    2,384,619x = 3,290,742.39 × 1,296,867.15
  4. Step 4: Simplify right side
    2,384,619x = 4,267,655,704,703.49
  5. Step 5: Solve for x
    x = 4,267,655,704,703.49/2,384,619
  6. Step 6: Final answer
    x = 1,789,659.36

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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.