Finding the Fourth Proportional to 4,816,892.64, 6,647,403.09 and 2,641,306.05
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Solution
The fourth proportional to 4,816,892.64, 6,647,403.09 and 2,641,306.05 is: 3,645,052.38
Step by Step Solution
- Step 1: Write the proportion equation
4,816,892.64 : 6,647,403.09 = 2,641,306.05 : x - Step 2: Convert to fraction form
4,816,892.64/6,647,403.09 = 2,641,306.05/x - Step 3: Cross multiply
4,816,892.64x = 6,647,403.09 × 2,641,306.05 - Step 4: Simplify right side
4,816,892.64x = 17,557,826,008,310.59 - Step 5: Solve for x
x = 17,557,826,008,310.59/4,816,892.64 - Step 6: Final answer
x = 3,645,052.38
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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.