Finding the Fourth Proportional to 1,363,596.05, 1,881,766.42 and 820,043.19
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Solution
The fourth proportional to 1,363,596.05, 1,881,766.42 and 820,043.19 is: 1,131,661.93
Step by Step Solution
- Step 1: Write the proportion equation
1,363,596.05 : 1,881,766.42 = 820,043.19 : x - Step 2: Convert to fraction form
1,363,596.05/1,881,766.42 = 820,043.19/x - Step 3: Cross multiply
1,363,596.05x = 1,881,766.42 × 820,043.19 - Step 4: Simplify right side
1,363,596.05x = 1,543,129,735,841.57 - Step 5: Solve for x
x = 1,543,129,735,841.57/1,363,596.05 - Step 6: Final answer
x = 1,131,661.93
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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.