Finding the Fourth Proportional to 6,746,543.82, 10,119,815.28 and 1,954,234.68
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Solution
The fourth proportional to 6,746,543.82, 10,119,815.28 and 1,954,234.68 is: 2,931,351.89
Step by Step Solution
- Step 1: Write the proportion equation
6,746,543.82 : 10,119,815.28 = 1,954,234.68 : x - Step 2: Convert to fraction form
6,746,543.82/10,119,815.28 = 1,954,234.68/x - Step 3: Cross multiply
6,746,543.82x = 10,119,815.28 × 1,954,234.68 - Step 4: Simplify right side
6,746,543.82x = 19,776,493,975,369.91 - Step 5: Solve for x
x = 19,776,493,975,369.91/6,746,543.82 - Step 6: Final answer
x = 2,931,351.89
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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.