Finding the Fourth Proportional to 2,157,877.62, 3,236,815.53 and 641,553.99
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Solution
The fourth proportional to 2,157,877.62, 3,236,815.53 and 641,553.99 is: 962,330.72
Step by Step Solution
- Step 1: Write the proportion equation
2,157,877.62 : 3,236,815.53 = 641,553.99 : x - Step 2: Convert to fraction form
2,157,877.62/3,236,815.53 = 641,553.99/x - Step 3: Cross multiply
2,157,877.62x = 3,236,815.53 × 641,553.99 - Step 4: Simplify right side
2,157,877.62x = 2,076,591,918,165.46 - Step 5: Solve for x
x = 2,076,591,918,165.46/2,157,877.62 - Step 6: Final answer
x = 962,330.72
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1.5x scale
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.