Finding the Fourth Proportional to 4,052,415.78, 6,078,174.42 and 1,019,782.47
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Solution
The fourth proportional to 4,052,415.78, 6,078,174.42 and 1,019,782.47 is: 1,529,560.65
Step by Step Solution
- Step 1: Write the proportion equation
4,052,415.78 : 6,078,174.42 = 1,019,782.47 : x - Step 2: Convert to fraction form
4,052,415.78/6,078,174.42 = 1,019,782.47/x - Step 3: Cross multiply
4,052,415.78x = 6,078,174.42 × 1,019,782.47 - Step 4: Simplify right side
4,052,415.78x = 6,198,415,723,118.42 - Step 5: Solve for x
x = 6,198,415,723,118.42/4,052,415.78 - Step 6: Final answer
x = 1,529,560.65
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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.