Finding the Fourth Proportional to 5,135,181.09, 7,704,211.14 and 2,063,328.99
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Solution
The fourth proportional to 5,135,181.09, 7,704,211.14 and 2,063,328.99 is: 3,095,571.88
Step by Step Solution
- Step 1: Write the proportion equation
5,135,181.09 : 7,704,211.14 = 2,063,328.99 : x - Step 2: Convert to fraction form
5,135,181.09/7,704,211.14 = 2,063,328.99/x - Step 3: Cross multiply
5,135,181.09x = 7,704,211.14 × 2,063,328.99 - Step 4: Simplify right side
5,135,181.09x = 15,896,322,190,242.95 - Step 5: Solve for x
x = 15,896,322,190,242.95/5,135,181.09 - Step 6: Final answer
x = 3,095,571.88
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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.