Finding the Fourth Proportional to 6,218,771.32, 8,577,336.18 and 4,121,821.36
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Solution
The fourth proportional to 6,218,771.32, 8,577,336.18 and 4,121,821.36 is: 5,685,085.63
Step by Step Solution
- Step 1: Write the proportion equation
6,218,771.32 : 8,577,336.18 = 4,121,821.36 : x - Step 2: Convert to fraction form
6,218,771.32/8,577,336.18 = 4,121,821.36/x - Step 3: Cross multiply
6,218,771.32x = 8,577,336.18 × 4,121,821.36 - Step 4: Simplify right side
6,218,771.32x = 35,354,247,478,624.80 - Step 5: Solve for x
x = 35,354,247,478,624.80/6,218,771.32 - Step 6: Final answer
x = 5,685,085.63
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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.