Finding the Fourth Proportional to 3,253,445.94, 4,487,137.48 and 2,860,137.96
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Solution
The fourth proportional to 3,253,445.94, 4,487,137.48 and 2,860,137.96 is: 3,944,688.95
Step by Step Solution
- Step 1: Write the proportion equation
3,253,445.94 : 4,487,137.48 = 2,860,137.96 : x - Step 2: Convert to fraction form
3,253,445.94/4,487,137.48 = 2,860,137.96/x - Step 3: Cross multiply
3,253,445.94x = 4,487,137.48 × 2,860,137.96 - Step 4: Simplify right side
3,253,445.94x = 12,833,832,238,286.74 - Step 5: Solve for x
x = 12,833,832,238,286.74/3,253,445.94 - Step 6: Final answer
x = 3,944,688.95
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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.