Finding the Fourth Proportional to 4,578,704.50, 6,868,187.97 and 1,212,911.50
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Solution
The fourth proportional to 4,578,704.50, 6,868,187.97 and 1,212,911.50 is: 1,819,402.01
Step by Step Solution
- Step 1: Write the proportion equation
4,578,704.50 : 6,868,187.97 = 1,212,911.50 : x - Step 2: Convert to fraction form
4,578,704.50/6,868,187.97 = 1,212,911.50/x - Step 3: Cross multiply
4,578,704.50x = 6,868,187.97 × 1,212,911.50 - Step 4: Simplify right side
4,578,704.50x = 8,330,504,172,974.65 - Step 5: Solve for x
x = 8,330,504,172,974.65/4,578,704.50 - Step 6: Final answer
x = 1,819,402.01
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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.