Finding the Fourth Proportional to 6,186,378.64, 8,537,183.58 and 3,433,481.32
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Solution
The fourth proportional to 6,186,378.64, 8,537,183.58 and 3,433,481.32 is: 4,738,193.71
Step by Step Solution
- Step 1: Write the proportion equation
6,186,378.64 : 8,537,183.58 = 3,433,481.32 : x - Step 2: Convert to fraction form
6,186,378.64/8,537,183.58 = 3,433,481.32/x - Step 3: Cross multiply
6,186,378.64x = 8,537,183.58 × 3,433,481.32 - Step 4: Simplify right side
6,186,378.64x = 29,312,260,347,340.72 - Step 5: Solve for x
x = 29,312,260,347,340.72/6,186,378.64 - Step 6: Final answer
x = 4,738,193.71
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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.