Finding the Fourth Proportional to 4,891,062.18, 6,738,562.92 and 3,784,689.60
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Solution
The fourth proportional to 4,891,062.18, 6,738,562.92 and 3,784,689.60 is: 5,214,280.27
Step by Step Solution
- Step 1: Write the proportion equation
4,891,062.18 : 6,738,562.92 = 3,784,689.60 : x - Step 2: Convert to fraction form
4,891,062.18/6,738,562.92 = 3,784,689.60/x - Step 3: Cross multiply
4,891,062.18x = 6,738,562.92 × 3,784,689.60 - Step 4: Simplify right side
4,891,062.18x = 25,503,369,002,269.63 - Step 5: Solve for x
x = 25,503,369,002,269.63/4,891,062.18 - Step 6: Final answer
x = 5,214,280.27
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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.