Finding the Fourth Proportional to 5,649,376.05, 7,796,047.08 and 3,071,121.75
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Solution
The fourth proportional to 5,649,376.05, 7,796,047.08 and 3,071,121.75 is: 4,238,098.07
Step by Step Solution
- Step 1: Write the proportion equation
5,649,376.05 : 7,796,047.08 = 3,071,121.75 : x - Step 2: Convert to fraction form
5,649,376.05/7,796,047.08 = 3,071,121.75/x - Step 3: Cross multiply
5,649,376.05x = 7,796,047.08 × 3,071,121.75 - Step 4: Simplify right side
5,649,376.05x = 23,942,609,751,411.99 - Step 5: Solve for x
x = 23,942,609,751,411.99/5,649,376.05 - Step 6: Final answer
x = 4,238,098.07
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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.