Finding the Fourth Proportional to 3,522,644.20, 4,862,403.30 and 2,072,264.68
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Solution
The fourth proportional to 3,522,644.20, 4,862,403.30 and 2,072,264.68 is: 2,860,404.30
Step by Step Solution
- Step 1: Write the proportion equation
3,522,644.20 : 4,862,403.30 = 2,072,264.68 : x - Step 2: Convert to fraction form
3,522,644.20/4,862,403.30 = 2,072,264.68/x - Step 3: Cross multiply
3,522,644.20x = 4,862,403.30 × 2,072,264.68 - Step 4: Simplify right side
3,522,644.20x = 10,076,186,618,505.44 - Step 5: Solve for x
x = 10,076,186,618,505.44/3,522,644.20 - Step 6: Final answer
x = 2,860,404.30
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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.