Finding the Fourth Proportional to 1,436,036.87, 1,981,808.84 and 824,184.74
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Solution
The fourth proportional to 1,436,036.87, 1,981,808.84 and 824,184.74 is: 1,137,419.68
Step by Step Solution
- Step 1: Write the proportion equation
1,436,036.87 : 1,981,808.84 = 824,184.74 : x - Step 2: Convert to fraction form
1,436,036.87/1,981,808.84 = 824,184.74/x - Step 3: Cross multiply
1,436,036.87x = 1,981,808.84 × 824,184.74 - Step 4: Simplify right side
1,436,036.87x = 1,633,376,603,525.10 - Step 5: Solve for x
x = 1,633,376,603,525.10/1,436,036.87 - Step 6: Final answer
x = 1,137,419.68
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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.