Finding the Fourth Proportional to 3,629,731.21, 5,009,093.21 and 1,975,926.17
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Solution
The fourth proportional to 3,629,731.21, 5,009,093.21 and 1,975,926.17 is: 2,726,813.03
Step by Step Solution
- Step 1: Write the proportion equation
3,629,731.21 : 5,009,093.21 = 1,975,926.17 : x - Step 2: Convert to fraction form
3,629,731.21/5,009,093.21 = 1,975,926.17/x - Step 3: Cross multiply
3,629,731.21x = 5,009,093.21 × 1,975,926.17 - Step 4: Simplify right side
3,629,731.21x = 9,897,598,361,608.31 - Step 5: Solve for x
x = 9,897,598,361,608.31/3,629,731.21 - Step 6: Final answer
x = 2,726,813.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.