Finding the Fourth Proportional to 4,721,990.81, 7,082,193.83 and 1,310,623.97
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Solution
The fourth proportional to 4,721,990.81, 7,082,193.83 and 1,310,623.97 is: 1,965,716.02
Step by Step Solution
- Step 1: Write the proportion equation
4,721,990.81 : 7,082,193.83 = 1,310,623.97 : x - Step 2: Convert to fraction form
4,721,990.81/7,082,193.83 = 1,310,623.97/x - Step 3: Cross multiply
4,721,990.81x = 7,082,193.83 × 1,310,623.97 - Step 4: Simplify right side
4,721,990.81x = 9,282,092,993,784.11 - Step 5: Solve for x
x = 9,282,092,993,784.11/4,721,990.81 - Step 6: Final answer
x = 1,965,716.02
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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.