Finding the Fourth Proportional to 4,076,983.28, 5,626,240.54 and 2,241,472.80
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Solution
The fourth proportional to 4,076,983.28, 5,626,240.54 and 2,241,472.80 is: 3,093,234.45
Step by Step Solution
- Step 1: Write the proportion equation
4,076,983.28 : 5,626,240.54 = 2,241,472.80 : x - Step 2: Convert to fraction form
4,076,983.28/5,626,240.54 = 2,241,472.80/x - Step 3: Cross multiply
4,076,983.28x = 5,626,240.54 × 2,241,472.80 - Step 4: Simplify right side
4,076,983.28x = 12,611,065,136,667.31 - Step 5: Solve for x
x = 12,611,065,136,667.31/4,076,983.28 - Step 6: Final answer
x = 3,093,234.45
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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.