Finding the Fourth Proportional to 3,772,406.22, 5,205,921.18 and 2,053,539.60
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Solution
The fourth proportional to 3,772,406.22, 5,205,921.18 and 2,053,539.60 is: 2,833,884.97
Step by Step Solution
- Step 1: Write the proportion equation
3,772,406.22 : 5,205,921.18 = 2,053,539.60 : x - Step 2: Convert to fraction form
3,772,406.22/5,205,921.18 = 2,053,539.60/x - Step 3: Cross multiply
3,772,406.22x = 5,205,921.18 × 2,053,539.60 - Step 4: Simplify right side
3,772,406.22x = 10,690,565,297,608.73 - Step 5: Solve for x
x = 10,690,565,297,608.73/3,772,406.22 - Step 6: Final answer
x = 2,833,884.97
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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.