Finding the Fourth Proportional to 4,721,976.77, 7,082,172.81 and 1,310,609.94
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Solution
The fourth proportional to 4,721,976.77, 7,082,172.81 and 1,310,609.94 is: 1,965,694.99
Step by Step Solution
- Step 1: Write the proportion equation
4,721,976.77 : 7,082,172.81 = 1,310,609.94 : x - Step 2: Convert to fraction form
4,721,976.77/7,082,172.81 = 1,310,609.94/x - Step 3: Cross multiply
4,721,976.77x = 7,082,172.81 × 1,310,609.94 - Step 4: Simplify right side
4,721,976.77x = 9,281,966,081,583.73 - Step 5: Solve for x
x = 9,281,966,081,583.73/4,721,976.77 - Step 6: Final answer
x = 1,965,694.99
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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.