Home / 1,829,543.40-2,743,221.60-1,120,080.60

Finding the Fourth Proportional to 1,829,543.40, 2,743,221.60 and 1,120,080.60

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Solution

The fourth proportional to 1,829,543.40, 2,743,221.60 and 1,120,080.60 is: 1,679,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,543.40 : 2,743,221.60 = 1,120,080.60 : x
  2. Step 2: Convert to fraction form
    1,829,543.40/2,743,221.60 = 1,120,080.60/x
  3. Step 3: Cross multiply
    1,829,543.40x = 2,743,221.60 × 1,120,080.60
  4. Step 4: Simplify right side
    1,829,543.40x = 3,072,629,295,660.96
  5. Step 5: Solve for x
    x = 3,072,629,295,660.96/1,829,543.40
  6. Step 6: Final answer
    x = 1,679,451.44

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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.