Finding the Fourth Proportional to 1,808,243.10, 2,715,475.05 and 1,279,475.10
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Solution
The fourth proportional to 1,808,243.10, 2,715,475.05 and 1,279,475.10 is: 1,921,413.50
Step by Step Solution
- Step 1: Write the proportion equation
1,808,243.10 : 2,715,475.05 = 1,279,475.10 : x - Step 2: Convert to fraction form
1,808,243.10/2,715,475.05 = 1,279,475.10/x - Step 3: Cross multiply
1,808,243.10x = 2,715,475.05 × 1,279,475.10 - Step 4: Simplify right side
1,808,243.10x = 3,474,382,711,146.26 - Step 5: Solve for x
x = 3,474,382,711,146.26/1,808,243.10 - Step 6: Final answer
x = 1,921,413.50
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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.