Finding the Fourth Proportional to 1,728,420.60, 2,592,630.90 and 466,375.80
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Solution
The fourth proportional to 1,728,420.60, 2,592,630.90 and 466,375.80 is: 699,563.70
Step by Step Solution
- Step 1: Write the proportion equation
1,728,420.60 : 2,592,630.90 = 466,375.80 : x - Step 2: Convert to fraction form
1,728,420.60/2,592,630.90 = 466,375.80/x - Step 3: Cross multiply
1,728,420.60x = 2,592,630.90 × 466,375.80 - Step 4: Simplify right side
1,728,420.60x = 1,209,140,310,092.22 - Step 5: Solve for x
x = 1,209,140,310,092.22/1,728,420.60 - Step 6: Final answer
x = 699,563.70
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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.