Finding the Fourth Proportional to 6,489,115.88, 9,733,706.64 and 1,696,815.68
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Solution
The fourth proportional to 6,489,115.88, 9,733,706.64 and 1,696,815.68 is: 2,545,232.10
Step by Step Solution
- Step 1: Write the proportion equation
6,489,115.88 : 9,733,706.64 = 1,696,815.68 : x - Step 2: Convert to fraction form
6,489,115.88/9,733,706.64 = 1,696,815.68/x - Step 3: Cross multiply
6,489,115.88x = 9,733,706.64 × 1,696,815.68 - Step 4: Simplify right side
6,489,115.88x = 16,516,306,051,272.12 - Step 5: Solve for x
x = 16,516,306,051,272.12/6,489,115.88 - Step 6: Final answer
x = 2,545,232.10
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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.