Finding the Fourth Proportional to 3,436,162.30, 4,741,774.14 and 1,908,367.84
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Solution
The fourth proportional to 3,436,162.30, 4,741,774.14 and 1,908,367.84 is: 2,633,475.51
Step by Step Solution
- Step 1: Write the proportion equation
3,436,162.30 : 4,741,774.14 = 1,908,367.84 : x - Step 2: Convert to fraction form
3,436,162.30/4,741,774.14 = 1,908,367.84/x - Step 3: Cross multiply
3,436,162.30x = 4,741,774.14 × 1,908,367.84 - Step 4: Simplify right side
3,436,162.30x = 9,049,049,273,319.66 - Step 5: Solve for x
x = 9,049,049,273,319.66/3,436,162.30 - Step 6: Final answer
x = 2,633,475.51
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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.