Finding the Fourth Proportional to 2,485,707.23, 3,728,562.94 and 1,188,554.42
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Solution
The fourth proportional to 2,485,707.23, 3,728,562.94 and 1,188,554.42 is: 1,782,832.63
Step by Step Solution
- Step 1: Write the proportion equation
2,485,707.23 : 3,728,562.94 = 1,188,554.42 : x - Step 2: Convert to fraction form
2,485,707.23/3,728,562.94 = 1,188,554.42/x - Step 3: Cross multiply
2,485,707.23x = 3,728,562.94 × 1,188,554.42 - Step 4: Simplify right side
2,485,707.23x = 4,431,599,962,585.19 - Step 5: Solve for x
x = 4,431,599,962,585.19/2,485,707.23 - Step 6: Final answer
x = 1,782,832.63
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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.