Home / 2,867,659.39-3,956,906.86-1,643,739.67

Finding the Fourth Proportional to 2,867,659.39, 3,956,906.86 and 1,643,739.67

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Solution

The fourth proportional to 2,867,659.39, 3,956,906.86 and 1,643,739.67 is: 2,268,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,659.39 : 3,956,906.86 = 1,643,739.67 : x
  2. Step 2: Convert to fraction form
    2,867,659.39/3,956,906.86 = 1,643,739.67/x
  3. Step 3: Cross multiply
    2,867,659.39x = 3,956,906.86 × 1,643,739.67
  4. Step 4: Simplify right side
    2,867,659.39x = 6,504,124,776,277.14
  5. Step 5: Solve for x
    x = 6,504,124,776,277.14/2,867,659.39
  6. Step 6: Final answer
    x = 2,268,095.30

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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.