Finding the Fourth Proportional to 7,634,849.49, 11,451,975.08 and 2,586,159.81
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Solution
The fourth proportional to 7,634,849.49, 11,451,975.08 and 2,586,159.81 is: 3,879,138.38
Step by Step Solution
- Step 1: Write the proportion equation
7,634,849.49 : 11,451,975.08 = 2,586,159.81 : x - Step 2: Convert to fraction form
7,634,849.49/11,451,975.08 = 2,586,159.81/x - Step 3: Cross multiply
7,634,849.49x = 11,451,975.08 × 2,586,159.81 - Step 4: Simplify right side
7,634,849.49x = 29,616,637,684,086.73 - Step 5: Solve for x
x = 29,616,637,684,086.73/7,634,849.49 - Step 6: Final answer
x = 3,879,138.38
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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.