Finding the Fourth Proportional to 4,342,806.20, 6,519,458.10 and 4,311,313.40
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Solution
The fourth proportional to 4,342,806.20, 6,519,458.10 and 4,311,313.40 is: 6,472,180.84
Step by Step Solution
- Step 1: Write the proportion equation
4,342,806.20 : 6,519,458.10 = 4,311,313.40 : x - Step 2: Convert to fraction form
4,342,806.20/6,519,458.10 = 4,311,313.40/x - Step 3: Cross multiply
4,342,806.20x = 6,519,458.10 × 4,311,313.40 - Step 4: Simplify right side
4,342,806.20x = 28,107,427,067,268.54 - Step 5: Solve for x
x = 28,107,427,067,268.54/4,342,806.20 - Step 6: Final answer
x = 6,472,180.84
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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.