Finding the Fourth Proportional to 4,331,738.70, 6,497,608.05 and 2,988,045.90
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Solution
The fourth proportional to 4,331,738.70, 6,497,608.05 and 2,988,045.90 is: 4,482,068.85
Step by Step Solution
- Step 1: Write the proportion equation
4,331,738.70 : 6,497,608.05 = 2,988,045.90 : x - Step 2: Convert to fraction form
4,331,738.70/6,497,608.05 = 2,988,045.90/x - Step 3: Cross multiply
4,331,738.70x = 6,497,608.05 × 2,988,045.90 - Step 4: Simplify right side
4,331,738.70x = 19,415,151,093,609.49 - Step 5: Solve for x
x = 19,415,151,093,609.49/4,331,738.70 - Step 6: Final answer
x = 4,482,068.85
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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.