Finding the Fourth Proportional to 2,379,543.68, 3,284,619.26 and 1,412,671.66
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Solution
The fourth proportional to 2,379,543.68, 3,284,619.26 and 1,412,671.66 is: 1,949,990.90
Step by Step Solution
- Step 1: Write the proportion equation
2,379,543.68 : 3,284,619.26 = 1,412,671.66 : x - Step 2: Convert to fraction form
2,379,543.68/3,284,619.26 = 1,412,671.66/x - Step 3: Cross multiply
2,379,543.68x = 3,284,619.26 × 1,412,671.66 - Step 4: Simplify right side
2,379,543.68x = 4,640,088,527,217.26 - Step 5: Solve for x
x = 4,640,088,527,217.26/2,379,543.68 - Step 6: Final answer
x = 1,949,990.90
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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.