Finding the Fourth Proportional to 5,735,234.93, 7,914,792.39 and 3,121,909.46
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Solution
The fourth proportional to 5,735,234.93, 7,914,792.39 and 3,121,909.46 is: 4,308,326.60
Step by Step Solution
- Step 1: Write the proportion equation
5,735,234.93 : 7,914,792.39 = 3,121,909.46 : x - Step 2: Convert to fraction form
5,735,234.93/7,914,792.39 = 3,121,909.46/x - Step 3: Cross multiply
5,735,234.93x = 7,914,792.39 × 3,121,909.46 - Step 4: Simplify right side
5,735,234.93x = 24,709,265,196,703.05 - Step 5: Solve for x
x = 24,709,265,196,703.05/5,735,234.93 - Step 6: Final answer
x = 4,308,326.60
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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.