Finding the Fourth Proportional to 3,431,245.49, 5,146,905.20 and 1,035,110.88
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Solution
The fourth proportional to 3,431,245.49, 5,146,905.20 and 1,035,110.88 is: 1,552,677.47
Step by Step Solution
- Step 1: Write the proportion equation
3,431,245.49 : 5,146,905.20 = 1,035,110.88 : x - Step 2: Convert to fraction form
3,431,245.49/5,146,905.20 = 1,035,110.88/x - Step 3: Cross multiply
3,431,245.49x = 5,146,905.20 × 1,035,110.88 - Step 4: Simplify right side
3,431,245.49x = 5,327,617,584,973.92 - Step 5: Solve for x
x = 5,327,617,584,973.92/3,431,245.49 - Step 6: Final answer
x = 1,552,677.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.