Finding the Fourth Proportional to 1,490,174.81, 2,235,595.53 and 543,545.53
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Solution
The fourth proportional to 1,490,174.81, 2,235,595.53 and 543,545.53 is: 815,439.87
Step by Step Solution
- Step 1: Write the proportion equation
1,490,174.81 : 2,235,595.53 = 543,545.53 : x - Step 2: Convert to fraction form
1,490,174.81/2,235,595.53 = 543,545.53/x - Step 3: Cross multiply
1,490,174.81x = 2,235,595.53 × 543,545.53 - Step 4: Simplify right side
1,490,174.81x = 1,215,147,957,219.48 - Step 5: Solve for x
x = 1,215,147,957,219.48/1,490,174.81 - Step 6: Final answer
x = 815,439.87
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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.