Finding the Fourth Proportional to 1,745,614.53, 2,618,424.90 and 547,631.28
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Solution
The fourth proportional to 1,745,614.53, 2,618,424.90 and 547,631.28 is: 821,447.89
Step by Step Solution
- Step 1: Write the proportion equation
1,745,614.53 : 2,618,424.90 = 547,631.28 : x - Step 2: Convert to fraction form
1,745,614.53/2,618,424.90 = 547,631.28/x - Step 3: Cross multiply
1,745,614.53x = 2,618,424.90 × 547,631.28 - Step 4: Simplify right side
1,745,614.53x = 1,433,931,379,570.87 - Step 5: Solve for x
x = 1,433,931,379,570.87/1,745,614.53 - Step 6: Final answer
x = 821,447.89
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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.