Finding the Fourth Proportional to 5,397,812.91, 7,448,975.51 and 2,950,440.03
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Solution
The fourth proportional to 5,397,812.91, 7,448,975.51 and 2,950,440.03 is: 4,071,603.79
Step by Step Solution
- Step 1: Write the proportion equation
5,397,812.91 : 7,448,975.51 = 2,950,440.03 : x - Step 2: Convert to fraction form
5,397,812.91/7,448,975.51 = 2,950,440.03/x - Step 3: Cross multiply
5,397,812.91x = 7,448,975.51 × 2,950,440.03 - Step 4: Simplify right side
5,397,812.91x = 21,977,755,512,441.46 - Step 5: Solve for x
x = 21,977,755,512,441.46/5,397,812.91 - Step 6: Final answer
x = 4,071,603.79
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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.