Finding the Fourth Proportional to 5,538,975.99, 8,301,475.09 and 2,807,209.77
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Solution
The fourth proportional to 5,538,975.99, 8,301,475.09 and 2,807,209.77 is: 4,207,272.61
Step by Step Solution
- Step 1: Write the proportion equation
5,538,975.99 : 8,301,475.09 = 2,807,209.77 : x - Step 2: Convert to fraction form
5,538,975.99/8,301,475.09 = 2,807,209.77/x - Step 3: Cross multiply
5,538,975.99x = 8,301,475.09 × 2,807,209.77 - Step 4: Simplify right side
5,538,975.99x = 23,303,981,978,059.63 - Step 5: Solve for x
x = 23,303,981,978,059.63/5,538,975.99 - Step 6: Final answer
x = 4,207,272.61
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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.