Home / 2,867,660.39-3,956,908.25-1,643,740.67

Finding the Fourth Proportional to 2,867,660.39, 3,956,908.25 and 1,643,740.67

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Solution

The fourth proportional to 2,867,660.39, 3,956,908.25 and 1,643,740.67 is: 2,268,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,660.39 : 3,956,908.25 = 1,643,740.67 : x
  2. Step 2: Convert to fraction form
    2,867,660.39/3,956,908.25 = 1,643,740.67/x
  3. Step 3: Cross multiply
    2,867,660.39x = 3,956,908.25 × 1,643,740.67
  4. Step 4: Simplify right side
    2,867,660.39x = 6,504,131,009,764.82
  5. Step 5: Solve for x
    x = 6,504,131,009,764.82/2,867,660.39
  6. Step 6: Final answer
    x = 2,268,096.68

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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.