Finding the Fourth Proportional to 1,608,083.60, 2,220,193.96 and 996,889.60
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Solution
The fourth proportional to 1,608,083.60, 2,220,193.96 and 996,889.60 is: 1,376,351.50
Step by Step Solution
- Step 1: Write the proportion equation
1,608,083.60 : 2,220,193.96 = 996,889.60 : x - Step 2: Convert to fraction form
1,608,083.60/2,220,193.96 = 996,889.60/x - Step 3: Cross multiply
1,608,083.60x = 2,220,193.96 × 996,889.60 - Step 4: Simplify right side
1,608,083.60x = 2,213,288,268,706.82 - Step 5: Solve for x
x = 2,213,288,268,706.82/1,608,083.60 - Step 6: Final answer
x = 1,376,351.50
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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.