Finding the Fourth Proportional to 6,668,515.94, 9,202,561.37 and 3,612,730.19
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Solution
The fourth proportional to 6,668,515.94, 9,202,561.37 and 3,612,730.19 is: 4,985,572.73
Step by Step Solution
- Step 1: Write the proportion equation
6,668,515.94 : 9,202,561.37 = 3,612,730.19 : x - Step 2: Convert to fraction form
6,668,515.94/9,202,561.37 = 3,612,730.19/x - Step 3: Cross multiply
6,668,515.94x = 9,202,561.37 × 3,612,730.19 - Step 4: Simplify right side
6,668,515.94x = 33,246,371,222,650.30 - Step 5: Solve for x
x = 33,246,371,222,650.30/6,668,515.94 - Step 6: Final answer
x = 4,985,572.73
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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.