Finding the Fourth Proportional to 4,273,961.96, 6,411,979.74 and 1,282,145.96
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Solution
The fourth proportional to 4,273,961.96, 6,411,979.74 and 1,282,145.96 is: 1,923,529.97
Step by Step Solution
- Step 1: Write the proportion equation
4,273,961.96 : 6,411,979.74 = 1,282,145.96 : x - Step 2: Convert to fraction form
4,273,961.96/6,411,979.74 = 1,282,145.96/x - Step 3: Cross multiply
4,273,961.96x = 6,411,979.74 × 1,282,145.96 - Step 4: Simplify right side
4,273,961.96x = 8,221,093,919,242.85 - Step 5: Solve for x
x = 8,221,093,919,242.85/4,273,961.96 - Step 6: Final answer
x = 1,923,529.97
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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.