Home / 2,077,074.40-3,115,611.60-1,279,256.80

Finding the Fourth Proportional to 2,077,074.40, 3,115,611.60 and 1,279,256.80

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Solution

The fourth proportional to 2,077,074.40, 3,115,611.60 and 1,279,256.80 is: 1,918,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,074.40 : 3,115,611.60 = 1,279,256.80 : x
  2. Step 2: Convert to fraction form
    2,077,074.40/3,115,611.60 = 1,279,256.80/x
  3. Step 3: Cross multiply
    2,077,074.40x = 3,115,611.60 × 1,279,256.80
  4. Step 4: Simplify right side
    2,077,074.40x = 3,985,667,325,458.88
  5. Step 5: Solve for x
    x = 3,985,667,325,458.88/2,077,074.40
  6. Step 6: Final answer
    x = 1,918,885.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.