Finding the Fourth Proportional to 5,161,325.52, 7,112,124.84 and 3,992,672.64
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Solution
The fourth proportional to 5,161,325.52, 7,112,124.84 and 3,992,672.64 is: 5,501,762.32
Step by Step Solution
- Step 1: Write the proportion equation
5,161,325.52 : 7,112,124.84 = 3,992,672.64 : x - Step 2: Convert to fraction form
5,161,325.52/7,112,124.84 = 3,992,672.64/x - Step 3: Cross multiply
5,161,325.52x = 7,112,124.84 × 3,992,672.64 - Step 4: Simplify right side
5,161,325.52x = 28,396,386,260,932.38 - Step 5: Solve for x
x = 28,396,386,260,932.38/5,161,325.52 - Step 6: Final answer
x = 5,501,762.32
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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.