Finding the Fourth Proportional to 3,664,341.40, 5,496,512.10 and 3,076,475.80
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Solution
The fourth proportional to 3,664,341.40, 5,496,512.10 and 3,076,475.80 is: 4,614,713.70
Step by Step Solution
- Step 1: Write the proportion equation
3,664,341.40 : 5,496,512.10 = 3,076,475.80 : x - Step 2: Convert to fraction form
3,664,341.40/5,496,512.10 = 3,076,475.80/x - Step 3: Cross multiply
3,664,341.40x = 5,496,512.10 × 3,076,475.80 - Step 4: Simplify right side
3,664,341.40x = 16,909,886,460,057.18 - Step 5: Solve for x
x = 16,909,886,460,057.18/3,664,341.40 - Step 6: Final answer
x = 4,614,713.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.