Finding the Fourth Proportional to 5,915,596.20, 8,163,522.75 and 3,199,342.20
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Solution
The fourth proportional to 5,915,596.20, 8,163,522.75 and 3,199,342.20 is: 4,415,092.23
Step by Step Solution
- Step 1: Write the proportion equation
5,915,596.20 : 8,163,522.75 = 3,199,342.20 : x - Step 2: Convert to fraction form
5,915,596.20/8,163,522.75 = 3,199,342.20/x - Step 3: Cross multiply
5,915,596.20x = 8,163,522.75 × 3,199,342.20 - Step 4: Simplify right side
5,915,596.20x = 26,117,902,834,735.05 - Step 5: Solve for x
x = 26,117,902,834,735.05/5,915,596.20 - Step 6: Final answer
x = 4,415,092.23
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Double scale
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1.5x scale
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.