Finding the Fourth Proportional to 5,187,211.24, 7,784,230.62 and 1,821,328.36
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Solution
The fourth proportional to 5,187,211.24, 7,784,230.62 and 1,821,328.36 is: 2,733,191.18
Step by Step Solution
- Step 1: Write the proportion equation
5,187,211.24 : 7,784,230.62 = 1,821,328.36 : x - Step 2: Convert to fraction form
5,187,211.24/7,784,230.62 = 1,821,328.36/x - Step 3: Cross multiply
5,187,211.24x = 7,784,230.62 × 1,821,328.36 - Step 4: Simplify right side
5,187,211.24x = 14,177,639,988,986.38 - Step 5: Solve for x
x = 14,177,639,988,986.38/5,187,211.24 - Step 6: Final answer
x = 2,733,191.18
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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.