Finding the Fourth Proportional to 4,923,768.88, 7,388,882.64 and 1,728,812.80
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Solution
The fourth proportional to 4,923,768.88, 7,388,882.64 and 1,728,812.80 is: 2,594,353.07
Step by Step Solution
- Step 1: Write the proportion equation
4,923,768.88 : 7,388,882.64 = 1,728,812.80 : x - Step 2: Convert to fraction form
4,923,768.88/7,388,882.64 = 1,728,812.80/x - Step 3: Cross multiply
4,923,768.88x = 7,388,882.64 × 1,728,812.80 - Step 4: Simplify right side
4,923,768.88x = 12,773,994,885,729.79 - Step 5: Solve for x
x = 12,773,994,885,729.79/4,923,768.88 - Step 6: Final answer
x = 2,594,353.07
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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.