Finding the Fourth Proportional to 3,880,391.87, 5,355,062.19 and 2,226,841.49
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Solution
The fourth proportional to 3,880,391.87, 5,355,062.19 and 2,226,841.49 is: 3,073,110.93
Step by Step Solution
- Step 1: Write the proportion equation
3,880,391.87 : 5,355,062.19 = 2,226,841.49 : x - Step 2: Convert to fraction form
3,880,391.87/5,355,062.19 = 2,226,841.49/x - Step 3: Cross multiply
3,880,391.87x = 5,355,062.19 × 2,226,841.49 - Step 4: Simplify right side
3,880,391.87x = 11,924,874,666,222.27 - Step 5: Solve for x
x = 11,924,874,666,222.27/3,880,391.87 - Step 6: Final answer
x = 3,073,110.93
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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.