Finding the Fourth Proportional to 6,328,838.34, 8,733,838.84 and 3,428,229.19
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Solution
The fourth proportional to 6,328,838.34, 8,733,838.84 and 3,428,229.19 is: 4,730,978.99
Step by Step Solution
- Step 1: Write the proportion equation
6,328,838.34 : 8,733,838.84 = 3,428,229.19 : x - Step 2: Convert to fraction form
6,328,838.34/8,733,838.84 = 3,428,229.19/x - Step 3: Cross multiply
6,328,838.34x = 8,733,838.84 × 3,428,229.19 - Step 4: Simplify right side
6,328,838.34x = 29,941,601,212,659.84 - Step 5: Solve for x
x = 29,941,601,212,659.84/6,328,838.34 - Step 6: Final answer
x = 4,730,978.99
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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.