Finding the Fourth Proportional to 7,728,855.87, 11,593,656.65 and 2,541,350.53
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Solution
The fourth proportional to 7,728,855.87, 11,593,656.65 and 2,541,350.53 is: 3,812,148.39
Step by Step Solution
- Step 1: Write the proportion equation
7,728,855.87 : 11,593,656.65 = 2,541,350.53 : x - Step 2: Convert to fraction form
7,728,855.87/11,593,656.65 = 2,541,350.53/x - Step 3: Cross multiply
7,728,855.87x = 11,593,656.65 × 2,541,350.53 - Step 4: Simplify right side
7,728,855.87x = 29,463,545,478,665.88 - Step 5: Solve for x
x = 29,463,545,478,665.88/7,728,855.87 - Step 6: Final answer
x = 3,812,148.39
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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.