Finding the Fourth Proportional to 2,150,197.68, 3,227,289.42 and 1,085,987.09
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Solution
The fourth proportional to 2,150,197.68, 3,227,289.42 and 1,085,987.09 is: 1,629,987.18
Step by Step Solution
- Step 1: Write the proportion equation
2,150,197.68 : 3,227,289.42 = 1,085,987.09 : x - Step 2: Convert to fraction form
2,150,197.68/3,227,289.42 = 1,085,987.09/x - Step 3: Cross multiply
2,150,197.68x = 3,227,289.42 × 1,085,987.09 - Step 4: Simplify right side
2,150,197.68x = 3,504,794,645,813.59 - Step 5: Solve for x
x = 3,504,794,645,813.59/2,150,197.68 - Step 6: Final answer
x = 1,629,987.18
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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.