Finding the Fourth Proportional to 2,114,539.10, 3,169,723.62 and 1,354,221.26
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Solution
The fourth proportional to 2,114,539.10, 3,169,723.62 and 1,354,221.26 is: 2,029,996.57
Step by Step Solution
- Step 1: Write the proportion equation
2,114,539.10 : 3,169,723.62 = 1,354,221.26 : x - Step 2: Convert to fraction form
2,114,539.10/3,169,723.62 = 1,354,221.26/x - Step 3: Cross multiply
2,114,539.10x = 3,169,723.62 × 1,354,221.26 - Step 4: Simplify right side
2,114,539.10x = 4,292,507,114,528.16 - Step 5: Solve for x
x = 4,292,507,114,528.16/2,114,539.10 - Step 6: Final answer
x = 2,029,996.57
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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.