Finding the Fourth Proportional to 1,431,514.05, 2,147,214.97 and 484,884.73
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Solution
The fourth proportional to 1,431,514.05, 2,147,214.97 and 484,884.73 is: 727,308.09
Step by Step Solution
- Step 1: Write the proportion equation
1,431,514.05 : 2,147,214.97 = 484,884.73 : x - Step 2: Convert to fraction form
1,431,514.05/2,147,214.97 = 484,884.73/x - Step 3: Cross multiply
1,431,514.05x = 2,147,214.97 × 484,884.73 - Step 4: Simplify right side
1,431,514.05x = 1,041,151,750,980.41 - Step 5: Solve for x
x = 1,041,151,750,980.41/1,431,514.05 - Step 6: Final answer
x = 727,308.09
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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.