Finding the Fourth Proportional to 2,089,754.34, 2,884,176.21 and 1,274,430.97
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Solution
The fourth proportional to 2,089,754.34, 2,884,176.21 and 1,274,430.97 is: 1,758,906.98
Step by Step Solution
- Step 1: Write the proportion equation
2,089,754.34 : 2,884,176.21 = 1,274,430.97 : x - Step 2: Convert to fraction form
2,089,754.34/2,884,176.21 = 1,274,430.97/x - Step 3: Cross multiply
2,089,754.34x = 2,884,176.21 × 1,274,430.97 - Step 4: Simplify right side
2,089,754.34x = 3,675,683,484,961.22 - Step 5: Solve for x
x = 3,675,683,484,961.22/2,089,754.34 - Step 6: Final answer
x = 1,758,906.98
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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.