Finding the Fourth Proportional to 5,488,148.25, 7,576,277.29 and 3,857,953.05
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Solution
The fourth proportional to 5,488,148.25, 7,576,277.29 and 3,857,953.05 is: 5,325,825.90
Step by Step Solution
- Step 1: Write the proportion equation
5,488,148.25 : 7,576,277.29 = 3,857,953.05 : x - Step 2: Convert to fraction form
5,488,148.25/7,576,277.29 = 3,857,953.05/x - Step 3: Cross multiply
5,488,148.25x = 7,576,277.29 × 3,857,953.05 - Step 4: Simplify right side
5,488,148.25x = 29,228,922,078,601.23 - Step 5: Solve for x
x = 29,228,922,078,601.23/5,488,148.25 - Step 6: Final answer
x = 5,325,825.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.