Finding the Fourth Proportional to 3,867,514.08, 5,336,856.99 and 2,236,026.60
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Solution
The fourth proportional to 3,867,514.08, 5,336,856.99 and 2,236,026.60 is: 3,085,536.07
Step by Step Solution
- Step 1: Write the proportion equation
3,867,514.08 : 5,336,856.99 = 2,236,026.60 : x - Step 2: Convert to fraction form
3,867,514.08/5,336,856.99 = 2,236,026.60/x - Step 3: Cross multiply
3,867,514.08x = 5,336,856.99 × 2,236,026.60 - Step 4: Simplify right side
3,867,514.08x = 11,933,354,190,035.94 - Step 5: Solve for x
x = 11,933,354,190,035.94/3,867,514.08 - Step 6: Final answer
x = 3,085,536.07
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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.