Finding the Fourth Proportional to 5,770,967.20, 7,963,242.24 and 3,324,378.40
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Solution
The fourth proportional to 5,770,967.20, 7,963,242.24 and 3,324,378.40 is: 4,587,243.28
Step by Step Solution
- Step 1: Write the proportion equation
5,770,967.20 : 7,963,242.24 = 3,324,378.40 : x - Step 2: Convert to fraction form
5,770,967.20/7,963,242.24 = 3,324,378.40/x - Step 3: Cross multiply
5,770,967.20x = 7,963,242.24 × 3,324,378.40 - Step 4: Simplify right side
5,770,967.20x = 26,472,830,496,623.62 - Step 5: Solve for x
x = 26,472,830,496,623.62/5,770,967.20 - Step 6: Final answer
x = 4,587,243.28
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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.