Finding the Fourth Proportional to 1,192,198.49, 1,788,297.74 and 980,982.13
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Solution
The fourth proportional to 1,192,198.49, 1,788,297.74 and 980,982.13 is: 1,471,473.20
Step by Step Solution
- Step 1: Write the proportion equation
1,192,198.49 : 1,788,297.74 = 980,982.13 : x - Step 2: Convert to fraction form
1,192,198.49/1,788,297.74 = 980,982.13/x - Step 3: Cross multiply
1,192,198.49x = 1,788,297.74 × 980,982.13 - Step 4: Simplify right side
1,192,198.49x = 1,754,288,121,154.48 - Step 5: Solve for x
x = 1,754,288,121,154.48/1,192,198.49 - Step 6: Final answer
x = 1,471,473.20
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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.