Finding the Fourth Proportional to 3,478,319.49, 5,215,034.58 and 1,532,124.60
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Solution
The fourth proportional to 3,478,319.49, 5,215,034.58 and 1,532,124.60 is: 2,297,110.08
Step by Step Solution
- Step 1: Write the proportion equation
3,478,319.49 : 5,215,034.58 = 1,532,124.60 : x - Step 2: Convert to fraction form
3,478,319.49/5,215,034.58 = 1,532,124.60/x - Step 3: Cross multiply
3,478,319.49x = 5,215,034.58 × 1,532,124.60 - Step 4: Simplify right side
3,478,319.49x = 7,990,082,753,185.02 - Step 5: Solve for x
x = 7,990,082,753,185.02/3,478,319.49 - Step 6: Final answer
x = 2,297,110.08
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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.