Home / 2,867,642.21-3,956,883.18-1,643,722.52

Finding the Fourth Proportional to 2,867,642.21, 3,956,883.18 and 1,643,722.52

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Solution

The fourth proportional to 2,867,642.21, 3,956,883.18 and 1,643,722.52 is: 2,268,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,642.21 : 3,956,883.18 = 1,643,722.52 : x
  2. Step 2: Convert to fraction form
    2,867,642.21/3,956,883.18 = 1,643,722.52/x
  3. Step 3: Cross multiply
    2,867,642.21x = 3,956,883.18 × 1,643,722.52
  4. Step 4: Simplify right side
    2,867,642.21x = 6,504,017,972,190.80
  5. Step 5: Solve for x
    x = 6,504,017,972,190.80/2,867,642.21
  6. Step 6: Final answer
    x = 2,268,071.64

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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.