Finding the Fourth Proportional to 6,382,905.48, 8,808,367.68 and 3,629,593.08
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Solution
The fourth proportional to 6,382,905.48, 8,808,367.68 and 3,629,593.08 is: 5,008,814.63
Step by Step Solution
- Step 1: Write the proportion equation
6,382,905.48 : 8,808,367.68 = 3,629,593.08 : x - Step 2: Convert to fraction form
6,382,905.48/8,808,367.68 = 3,629,593.08/x - Step 3: Cross multiply
6,382,905.48x = 8,808,367.68 × 3,629,593.08 - Step 4: Simplify right side
6,382,905.48x = 31,970,790,377,423.65 - Step 5: Solve for x
x = 31,970,790,377,423.65/6,382,905.48 - Step 6: Final answer
x = 5,008,814.63
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1.5x scale
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.