Finding the Fourth Proportional to 2,412,161.06, 3,328,546.65 and 1,393,543.94
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Solution
The fourth proportional to 2,412,161.06, 3,328,546.65 and 1,393,543.94 is: 1,922,954.52
Step by Step Solution
- Step 1: Write the proportion equation
2,412,161.06 : 3,328,546.65 = 1,393,543.94 : x - Step 2: Convert to fraction form
2,412,161.06/3,328,546.65 = 1,393,543.94/x - Step 3: Cross multiply
2,412,161.06x = 3,328,546.65 × 1,393,543.94 - Step 4: Simplify right side
2,412,161.06x = 4,638,476,013,114.80 - Step 5: Solve for x
x = 4,638,476,013,114.80/2,412,161.06 - Step 6: Final answer
x = 1,922,954.52
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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.