Finding the Fourth Proportional to 4,312,721.26, 5,951,571.96 and 2,378,953.99
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Solution
The fourth proportional to 4,312,721.26, 5,951,571.96 and 2,378,953.99 is: 3,282,965.67
Step by Step Solution
- Step 1: Write the proportion equation
4,312,721.26 : 5,951,571.96 = 2,378,953.99 : x - Step 2: Convert to fraction form
4,312,721.26/5,951,571.96 = 2,378,953.99/x - Step 3: Cross multiply
4,312,721.26x = 5,951,571.96 × 2,378,953.99 - Step 4: Simplify right side
4,312,721.26x = 14,158,515,861,014.12 - Step 5: Solve for x
x = 14,158,515,861,014.12/4,312,721.26 - Step 6: Final answer
x = 3,282,965.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.