Finding the Fourth Proportional to 5,663,431.26, 8,489,458.49 and 1,822,430.70
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Solution
The fourth proportional to 5,663,431.26, 8,489,458.49 and 1,822,430.70 is: 2,731,815.58
Step by Step Solution
- Step 1: Write the proportion equation
5,663,431.26 : 8,489,458.49 = 1,822,430.70 : x - Step 2: Convert to fraction form
5,663,431.26/8,489,458.49 = 1,822,430.70/x - Step 3: Cross multiply
5,663,431.26x = 8,489,458.49 × 1,822,430.70 - Step 4: Simplify right side
5,663,431.26x = 15,471,449,769,439.49 - Step 5: Solve for x
x = 15,471,449,769,439.49/5,663,431.26 - Step 6: Final answer
x = 2,731,815.58
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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.