Finding the Fourth Proportional to 4,691,616.20, 7,029,129.90 and 4,160,774.60
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Solution
The fourth proportional to 4,691,616.20, 7,029,129.90 and 4,160,774.60 is: 6,233,805.99
Step by Step Solution
- Step 1: Write the proportion equation
4,691,616.20 : 7,029,129.90 = 4,160,774.60 : x - Step 2: Convert to fraction form
4,691,616.20/7,029,129.90 = 4,160,774.60/x - Step 3: Cross multiply
4,691,616.20x = 7,029,129.90 × 4,160,774.60 - Step 4: Simplify right side
4,691,616.20x = 29,246,625,148,020.54 - Step 5: Solve for x
x = 29,246,625,148,020.54/4,691,616.20 - Step 6: Final answer
x = 6,233,805.99
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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.