Finding the Fourth Proportional to 1,431,294.44, 2,146,609.35 and 420,144.84
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Solution
The fourth proportional to 1,431,294.44, 2,146,609.35 and 420,144.84 is: 630,119.72
Step by Step Solution
- Step 1: Write the proportion equation
1,431,294.44 : 2,146,609.35 = 420,144.84 : x - Step 2: Convert to fraction form
1,431,294.44/2,146,609.35 = 420,144.84/x - Step 3: Cross multiply
1,431,294.44x = 2,146,609.35 × 420,144.84 - Step 4: Simplify right side
1,431,294.44x = 901,886,841,898.25 - Step 5: Solve for x
x = 901,886,841,898.25/1,431,294.44 - Step 6: Final answer
x = 630,119.72
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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.