Finding the Fourth Proportional to 2,413,245.30, 3,619,812.60 and 1,214,845.80
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Solution
The fourth proportional to 2,413,245.30, 3,619,812.60 and 1,214,845.80 is: 1,822,240.84
Step by Step Solution
- Step 1: Write the proportion equation
2,413,245.30 : 3,619,812.60 = 1,214,845.80 : x - Step 2: Convert to fraction form
2,413,245.30/3,619,812.60 = 1,214,845.80/x - Step 3: Cross multiply
2,413,245.30x = 3,619,812.60 × 1,214,845.80 - Step 4: Simplify right side
2,413,245.30x = 4,397,514,133,897.08 - Step 5: Solve for x
x = 4,397,514,133,897.08/2,413,245.30 - Step 6: Final answer
x = 1,822,240.84
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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.