Finding the Fourth Proportional to 1,436,034.12, 1,981,805.04 and 824,181.99
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Solution
The fourth proportional to 1,436,034.12, 1,981,805.04 and 824,181.99 is: 1,137,415.89
Step by Step Solution
- Step 1: Write the proportion equation
1,436,034.12 : 1,981,805.04 = 824,181.99 : x - Step 2: Convert to fraction form
1,436,034.12/1,981,805.04 = 824,181.99/x - Step 3: Cross multiply
1,436,034.12x = 1,981,805.04 × 824,181.99 - Step 4: Simplify right side
1,436,034.12x = 1,633,368,021,659.23 - Step 5: Solve for x
x = 1,633,368,021,659.23/1,436,034.12 - Step 6: Final answer
x = 1,137,415.89
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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.