Finding the Fourth Proportional to 5,512,523.12, 8,268,245.88 and 1,674,378.86
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Solution
The fourth proportional to 5,512,523.12, 8,268,245.88 and 1,674,378.86 is: 2,511,404.63
Step by Step Solution
- Step 1: Write the proportion equation
5,512,523.12 : 8,268,245.88 = 1,674,378.86 : x - Step 2: Convert to fraction form
5,512,523.12/8,268,245.88 = 1,674,378.86/x - Step 3: Cross multiply
5,512,523.12x = 8,268,245.88 × 1,674,378.86 - Step 4: Simplify right side
5,512,523.12x = 13,844,176,069,412.87 - Step 5: Solve for x
x = 13,844,176,069,412.87/5,512,523.12 - Step 6: Final answer
x = 2,511,404.63
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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.