Finding the Fourth Proportional to 3,638,156.63, 5,461,020.08 and 2,679,694.49
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Solution
The fourth proportional to 3,638,156.63, 5,461,020.08 and 2,679,694.49 is: 4,022,329.70
Step by Step Solution
- Step 1: Write the proportion equation
3,638,156.63 : 5,461,020.08 = 2,679,694.49 : x - Step 2: Convert to fraction form
3,638,156.63/5,461,020.08 = 2,679,694.49/x - Step 3: Cross multiply
3,638,156.63x = 5,461,020.08 × 2,679,694.49 - Step 4: Simplify right side
3,638,156.63x = 14,633,865,443,531.57 - Step 5: Solve for x
x = 14,633,865,443,531.57/3,638,156.63 - Step 6: Final answer
x = 4,022,329.70
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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.