Finding the Fourth Proportional to 6,841,446.60, 9,442,197.90 and 3,940,272.84
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Solution
The fourth proportional to 6,841,446.60, 9,442,197.90 and 3,940,272.84 is: 5,438,153.38
Step by Step Solution
- Step 1: Write the proportion equation
6,841,446.60 : 9,442,197.90 = 3,940,272.84 : x - Step 2: Convert to fraction form
6,841,446.60/9,442,197.90 = 3,940,272.84/x - Step 3: Cross multiply
6,841,446.60x = 9,442,197.90 × 3,940,272.84 - Step 4: Simplify right side
6,841,446.60x = 37,204,835,935,275.04 - Step 5: Solve for x
x = 37,204,835,935,275.04/6,841,446.60 - Step 6: Final answer
x = 5,438,153.38
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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.