Finding the Fourth Proportional to 5,636,988.53, 8,451,341.93 and 1,796,601.14
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Solution
The fourth proportional to 5,636,988.53, 8,451,341.93 and 1,796,601.14 is: 2,693,581.94
Step by Step Solution
- Step 1: Write the proportion equation
5,636,988.53 : 8,451,341.93 = 1,796,601.14 : x - Step 2: Convert to fraction form
5,636,988.53/8,451,341.93 = 1,796,601.14/x - Step 3: Cross multiply
5,636,988.53x = 8,451,341.93 × 1,796,601.14 - Step 4: Simplify right side
5,636,988.53x = 15,183,690,494,728.09 - Step 5: Solve for x
x = 15,183,690,494,728.09/5,636,988.53 - Step 6: Final answer
x = 2,693,581.94
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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.