Finding the Fourth Proportional to 3,867,512.17, 5,336,854.38 and 2,236,024.70
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Solution
The fourth proportional to 3,867,512.17, 5,336,854.38 and 2,236,024.70 is: 3,085,533.46
Step by Step Solution
- Step 1: Write the proportion equation
3,867,512.17 : 5,336,854.38 = 2,236,024.70 : x - Step 2: Convert to fraction form
3,867,512.17/5,336,854.38 = 2,236,024.70/x - Step 3: Cross multiply
3,867,512.17x = 5,336,854.38 × 2,236,024.70 - Step 4: Simplify right side
3,867,512.17x = 11,933,338,213,983.19 - Step 5: Solve for x
x = 11,933,338,213,983.19/3,867,512.17 - Step 6: Final answer
x = 3,085,533.46
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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.