Finding the Fourth Proportional to 4,138,108.26, 6,203,136.74 and 1,978,572.18
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Solution
The fourth proportional to 4,138,108.26, 6,203,136.74 and 1,978,572.18 is: 2,965,933.46
Step by Step Solution
- Step 1: Write the proportion equation
4,138,108.26 : 6,203,136.74 = 1,978,572.18 : x - Step 2: Convert to fraction form
4,138,108.26/6,203,136.74 = 1,978,572.18/x - Step 3: Cross multiply
4,138,108.26x = 6,203,136.74 × 1,978,572.18 - Step 4: Simplify right side
4,138,108.26x = 12,273,353,751,484.21 - Step 5: Solve for x
x = 12,273,353,751,484.21/4,138,108.26 - Step 6: Final answer
x = 2,965,933.46
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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.