Finding the Fourth Proportional to 3,361,183.29, 4,638,825.05 and 1,911,095.98
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Solution
The fourth proportional to 3,361,183.29, 4,638,825.05 and 1,911,095.98 is: 2,637,535.39
Step by Step Solution
- Step 1: Write the proportion equation
3,361,183.29 : 4,638,825.05 = 1,911,095.98 : x - Step 2: Convert to fraction form
3,361,183.29/4,638,825.05 = 1,911,095.98/x - Step 3: Cross multiply
3,361,183.29x = 4,638,825.05 × 1,911,095.98 - Step 4: Simplify right side
3,361,183.29x = 8,865,239,883,825.76 - Step 5: Solve for x
x = 8,865,239,883,825.76/3,361,183.29 - Step 6: Final answer
x = 2,637,535.39
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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.