Finding the Fourth Proportional to 5,328,956.68, 7,353,778.24 and 3,037,855.48
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Solution
The fourth proportional to 5,328,956.68, 7,353,778.24 and 3,037,855.48 is: 4,192,136.82
Step by Step Solution
- Step 1: Write the proportion equation
5,328,956.68 : 7,353,778.24 = 3,037,855.48 : x - Step 2: Convert to fraction form
5,328,956.68/7,353,778.24 = 3,037,855.48/x - Step 3: Cross multiply
5,328,956.68x = 7,353,778.24 × 3,037,855.48 - Step 4: Simplify right side
5,328,956.68x = 22,339,715,525,088.75 - Step 5: Solve for x
x = 22,339,715,525,088.75/5,328,956.68 - Step 6: Final answer
x = 4,192,136.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.