Home / 2,729,928.80-4,094,893.20-836,424.20

Finding the Fourth Proportional to 2,729,928.80, 4,094,893.20 and 836,424.20

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Solution

The fourth proportional to 2,729,928.80, 4,094,893.20 and 836,424.20 is: 1,254,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,928.80 : 4,094,893.20 = 836,424.20 : x
  2. Step 2: Convert to fraction form
    2,729,928.80/4,094,893.20 = 836,424.20/x
  3. Step 3: Cross multiply
    2,729,928.80x = 4,094,893.20 × 836,424.20
  4. Step 4: Simplify right side
    2,729,928.80x = 3,425,067,768,895.44
  5. Step 5: Solve for x
    x = 3,425,067,768,895.44/2,729,928.80
  6. Step 6: Final answer
    x = 1,254,636.30

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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.