Finding the Fourth Proportional to 5,205,805.99, 7,810,939.11 and 2,013,174.18
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Solution
The fourth proportional to 5,205,805.99, 7,810,939.11 and 2,013,174.18 is: 3,020,623.70
Step by Step Solution
- Step 1: Write the proportion equation
5,205,805.99 : 7,810,939.11 = 2,013,174.18 : x - Step 2: Convert to fraction form
5,205,805.99/7,810,939.11 = 2,013,174.18/x - Step 3: Cross multiply
5,205,805.99x = 7,810,939.11 × 2,013,174.18 - Step 4: Simplify right side
5,205,805.99x = 15,724,780,937,804.18 - Step 5: Solve for x
x = 15,724,780,937,804.18/5,205,805.99 - Step 6: Final answer
x = 3,020,623.70
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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.