Finding the Fourth Proportional to 1,664,861.80, 2,497,292.70 and 542,930.80
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Solution
The fourth proportional to 1,664,861.80, 2,497,292.70 and 542,930.80 is: 814,396.20
Step by Step Solution
- Step 1: Write the proportion equation
1,664,861.80 : 2,497,292.70 = 542,930.80 : x - Step 2: Convert to fraction form
1,664,861.80/2,497,292.70 = 542,930.80/x - Step 3: Cross multiply
1,664,861.80x = 2,497,292.70 × 542,930.80 - Step 4: Simplify right side
1,664,861.80x = 1,355,857,123,445.16 - Step 5: Solve for x
x = 1,355,857,123,445.16/1,664,861.80 - Step 6: Final answer
x = 814,396.20
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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.