Home / 2,867,642.39-3,956,883.44-1,643,722.71

Finding the Fourth Proportional to 2,867,642.39, 3,956,883.44 and 1,643,722.71

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Solution

The fourth proportional to 2,867,642.39, 3,956,883.44 and 1,643,722.71 is: 2,268,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,642.39 : 3,956,883.44 = 1,643,722.71 : x
  2. Step 2: Convert to fraction form
    2,867,642.39/3,956,883.44 = 1,643,722.71/x
  3. Step 3: Cross multiply
    2,867,642.39x = 3,956,883.44 × 1,643,722.71
  4. Step 4: Simplify right side
    2,867,642.39x = 6,504,019,151,366.51
  5. Step 5: Solve for x
    x = 6,504,019,151,366.51/2,867,642.39
  6. Step 6: Final answer
    x = 2,268,071.91

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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.