Finding the Fourth Proportional to 6,487,399.68, 8,952,453.76 and 3,586,715.84
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Solution
The fourth proportional to 6,487,399.68, 8,952,453.76 and 3,586,715.84 is: 4,949,580.62
Step by Step Solution
- Step 1: Write the proportion equation
6,487,399.68 : 8,952,453.76 = 3,586,715.84 : x - Step 2: Convert to fraction form
6,487,399.68/8,952,453.76 = 3,586,715.84/x - Step 3: Cross multiply
6,487,399.68x = 8,952,453.76 × 3,586,715.84 - Step 4: Simplify right side
6,487,399.68x = 32,109,907,707,859.55 - Step 5: Solve for x
x = 32,109,907,707,859.55/6,487,399.68 - Step 6: Final answer
x = 4,949,580.62
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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.