Finding the Fourth Proportional to 2,920,249.74, 4,029,902.18 and 1,631,108.46
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Solution
The fourth proportional to 2,920,249.74, 4,029,902.18 and 1,631,108.46 is: 2,250,905.96
Step by Step Solution
- Step 1: Write the proportion equation
2,920,249.74 : 4,029,902.18 = 1,631,108.46 : x - Step 2: Convert to fraction form
2,920,249.74/4,029,902.18 = 1,631,108.46/x - Step 3: Cross multiply
2,920,249.74x = 4,029,902.18 × 1,631,108.46 - Step 4: Simplify right side
2,920,249.74x = 6,573,207,538,770.44 - Step 5: Solve for x
x = 6,573,207,538,770.44/2,920,249.74 - Step 6: Final answer
x = 2,250,905.96
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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.