Finding the Fourth Proportional to 4,311,516.62, 6,466,171.41 and 1,278,173.15
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Solution
The fourth proportional to 4,311,516.62, 6,466,171.41 and 1,278,173.15 is: 1,916,932.58
Step by Step Solution
- Step 1: Write the proportion equation
4,311,516.62 : 6,466,171.41 = 1,278,173.15 : x - Step 2: Convert to fraction form
4,311,516.62/6,466,171.41 = 1,278,173.15/x - Step 3: Cross multiply
4,311,516.62x = 6,466,171.41 × 1,278,173.15 - Step 4: Simplify right side
4,311,516.62x = 8,264,886,679,559.64 - Step 5: Solve for x
x = 8,264,886,679,559.64/4,311,516.62 - Step 6: Final answer
x = 1,916,932.58
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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.