Home / 3,479,171.64-4,801,418.52-2,173,196.90

Finding the Fourth Proportional to 3,479,171.64, 4,801,418.52 and 2,173,196.90

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Solution

The fourth proportional to 3,479,171.64, 4,801,418.52 and 2,173,196.90 is: 2,999,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,171.64 : 4,801,418.52 = 2,173,196.90 : x
  2. Step 2: Convert to fraction form
    3,479,171.64/4,801,418.52 = 2,173,196.90/x
  3. Step 3: Cross multiply
    3,479,171.64x = 4,801,418.52 × 2,173,196.90
  4. Step 4: Simplify right side
    3,479,171.64x = 10,434,427,808,393.51
  5. Step 5: Solve for x
    x = 10,434,427,808,393.51/3,479,171.64
  6. Step 6: Final answer
    x = 2,999,112.69

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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.