Finding the Fourth Proportional to 5,586,540.66, 8,379,645.12 and 1,543,271.76
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Solution
The fourth proportional to 5,586,540.66, 8,379,645.12 and 1,543,271.76 is: 2,314,861.82
Step by Step Solution
- Step 1: Write the proportion equation
5,586,540.66 : 8,379,645.12 = 1,543,271.76 : x - Step 2: Convert to fraction form
5,586,540.66/8,379,645.12 = 1,543,271.76/x - Step 3: Cross multiply
5,586,540.66x = 8,379,645.12 × 1,543,271.76 - Step 4: Simplify right side
5,586,540.66x = 12,932,069,672,517.81 - Step 5: Solve for x
x = 12,932,069,672,517.81/5,586,540.66 - Step 6: Final answer
x = 2,314,861.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.