Finding the Fourth Proportional to 3,270,436.99, 4,513,203.10 and 1,820,474.94
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Solution
The fourth proportional to 3,270,436.99, 4,513,203.10 and 1,820,474.94 is: 2,512,255.45
Step by Step Solution
- Step 1: Write the proportion equation
3,270,436.99 : 4,513,203.10 = 1,820,474.94 : x - Step 2: Convert to fraction form
3,270,436.99/4,513,203.10 = 1,820,474.94/x - Step 3: Cross multiply
3,270,436.99x = 4,513,203.10 × 1,820,474.94 - Step 4: Simplify right side
3,270,436.99x = 8,216,173,161,880.42 - Step 5: Solve for x
x = 8,216,173,161,880.42/3,270,436.99 - Step 6: Final answer
x = 2,512,255.45
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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.