Finding the Fourth Proportional to 5,136,558.68, 7,704,651.15 and 1,542,232.21
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Solution
The fourth proportional to 5,136,558.68, 7,704,651.15 and 1,542,232.21 is: 2,313,292.21
Step by Step Solution
- Step 1: Write the proportion equation
5,136,558.68 : 7,704,651.15 = 1,542,232.21 : x - Step 2: Convert to fraction form
5,136,558.68/7,704,651.15 = 1,542,232.21/x - Step 3: Cross multiply
5,136,558.68x = 7,704,651.15 × 1,542,232.21 - Step 4: Simplify right side
5,136,558.68x = 11,882,361,168,419.82 - Step 5: Solve for x
x = 11,882,361,168,419.82/5,136,558.68 - Step 6: Final answer
x = 2,313,292.21
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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.