Finding the Fourth Proportional to 1,638,607.20, 2,457,906.68 and 440,529.42
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Solution
The fourth proportional to 1,638,607.20, 2,457,906.68 and 440,529.42 is: 660,793.02
Step by Step Solution
- Step 1: Write the proportion equation
1,638,607.20 : 2,457,906.68 = 440,529.42 : x - Step 2: Convert to fraction form
1,638,607.20/2,457,906.68 = 440,529.42/x - Step 3: Cross multiply
1,638,607.20x = 2,457,906.68 × 440,529.42 - Step 4: Simplify right side
1,638,607.20x = 1,082,780,204,154.53 - Step 5: Solve for x
x = 1,082,780,204,154.53/1,638,607.20 - Step 6: Final answer
x = 660,793.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.