Finding the Fourth Proportional to 3,449,211.72, 4,759,916.70 and 1,879,336.14
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Solution
The fourth proportional to 3,449,211.72, 4,759,916.70 and 1,879,336.14 is: 2,593,486.34
Step by Step Solution
- Step 1: Write the proportion equation
3,449,211.72 : 4,759,916.70 = 1,879,336.14 : x - Step 2: Convert to fraction form
3,449,211.72/4,759,916.70 = 1,879,336.14/x - Step 3: Cross multiply
3,449,211.72x = 4,759,916.70 × 1,879,336.14 - Step 4: Simplify right side
3,449,211.72x = 8,945,483,477,699.54 - Step 5: Solve for x
x = 8,945,483,477,699.54/3,449,211.72 - Step 6: Final answer
x = 2,593,486.34
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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.