Finding the Fourth Proportional to 4,284,968.09, 6,423,668.69 and 3,278,582.84
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Solution
The fourth proportional to 4,284,968.09, 6,423,668.69 and 3,278,582.84 is: 4,914,979.41
Step by Step Solution
- Step 1: Write the proportion equation
4,284,968.09 : 6,423,668.69 = 3,278,582.84 : x - Step 2: Convert to fraction form
4,284,968.09/6,423,668.69 = 3,278,582.84/x - Step 3: Cross multiply
4,284,968.09x = 6,423,668.69 × 3,278,582.84 - Step 4: Simplify right side
4,284,968.09x = 21,060,529,926,013.55 - Step 5: Solve for x
x = 21,060,529,926,013.55/4,284,968.09 - Step 6: Final answer
x = 4,914,979.41
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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.