Home / 3,122,696.75-4,307,659.25-1,899,376.43

Finding the Fourth Proportional to 3,122,696.75, 4,307,659.25 and 1,899,376.43

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Solution

The fourth proportional to 3,122,696.75, 4,307,659.25 and 1,899,376.43 is: 2,620,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,696.75 : 4,307,659.25 = 1,899,376.43 : x
  2. Step 2: Convert to fraction form
    3,122,696.75/4,307,659.25 = 1,899,376.43/x
  3. Step 3: Cross multiply
    3,122,696.75x = 4,307,659.25 × 1,899,376.43
  4. Step 4: Simplify right side
    3,122,696.75x = 8,181,866,416,886.30
  5. Step 5: Solve for x
    x = 8,181,866,416,886.30/3,122,696.75
  6. Step 6: Final answer
    x = 2,620,128.40

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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.