Home / 4,493,198.40-6,739,797.60-1,298,428.80

Finding the Fourth Proportional to 4,493,198.40, 6,739,797.60 and 1,298,428.80

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Solution

The fourth proportional to 4,493,198.40, 6,739,797.60 and 1,298,428.80 is: 1,947,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493,198.40 : 6,739,797.60 = 1,298,428.80 : x
  2. Step 2: Convert to fraction form
    4,493,198.40/6,739,797.60 = 1,298,428.80/x
  3. Step 3: Cross multiply
    4,493,198.40x = 6,739,797.60 × 1,298,428.80
  4. Step 4: Simplify right side
    4,493,198.40x = 8,751,147,310,010.88
  5. Step 5: Solve for x
    x = 8,751,147,310,010.88/4,493,198.40
  6. Step 6: Final answer
    x = 1,947,643.20

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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.