Finding the Fourth Proportional to 4,013,517.60, 5,538,626.10 and 2,177,929.08
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Solution
The fourth proportional to 4,013,517.60, 5,538,626.10 and 2,177,929.08 is: 3,005,526.83
Step by Step Solution
- Step 1: Write the proportion equation
4,013,517.60 : 5,538,626.10 = 2,177,929.08 : x - Step 2: Convert to fraction form
4,013,517.60/5,538,626.10 = 2,177,929.08/x - Step 3: Cross multiply
4,013,517.60x = 5,538,626.10 × 2,177,929.08 - Step 4: Simplify right side
4,013,517.60x = 12,062,734,846,436.99 - Step 5: Solve for x
x = 12,062,734,846,436.99/4,013,517.60 - Step 6: Final answer
x = 3,005,526.83
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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.