Finding the Fourth Proportional to 3,826,548.46, 5,280,636.40 and 2,107,668.99
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Solution
The fourth proportional to 3,826,548.46, 5,280,636.40 and 2,107,668.99 is: 2,908,582.95
Step by Step Solution
- Step 1: Write the proportion equation
3,826,548.46 : 5,280,636.40 = 2,107,668.99 : x - Step 2: Convert to fraction form
3,826,548.46/5,280,636.40 = 2,107,668.99/x - Step 3: Cross multiply
3,826,548.46x = 5,280,636.40 × 2,107,668.99 - Step 4: Simplify right side
3,826,548.46x = 11,129,833,582,476.06 - Step 5: Solve for x
x = 11,129,833,582,476.06/3,826,548.46 - Step 6: Final answer
x = 2,908,582.95
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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.