Finding the Fourth Proportional to 1,543,900.20, 2,315,855.64 and 1,093,258.08
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Solution
The fourth proportional to 1,543,900.20, 2,315,855.64 and 1,093,258.08 is: 1,639,890.90
Step by Step Solution
- Step 1: Write the proportion equation
1,543,900.20 : 2,315,855.64 = 1,093,258.08 : x - Step 2: Convert to fraction form
1,543,900.20/2,315,855.64 = 1,093,258.08/x - Step 3: Cross multiply
1,543,900.20x = 2,315,855.64 × 1,093,258.08 - Step 4: Simplify right side
1,543,900.20x = 2,531,827,890,543.57 - Step 5: Solve for x
x = 2,531,827,890,543.57/1,543,900.20 - Step 6: Final answer
x = 1,639,890.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.