Finding the Fourth Proportional to 5,713,898.64, 7,884,791.93 and 3,135,745.49
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Solution
The fourth proportional to 5,713,898.64, 7,884,791.93 and 3,135,745.49 is: 4,327,115.73
Step by Step Solution
- Step 1: Write the proportion equation
5,713,898.64 : 7,884,791.93 = 3,135,745.49 : x - Step 2: Convert to fraction form
5,713,898.64/7,884,791.93 = 3,135,745.49/x - Step 3: Cross multiply
5,713,898.64x = 7,884,791.93 × 3,135,745.49 - Step 4: Simplify right side
5,713,898.64x = 24,724,700,678,983.21 - Step 5: Solve for x
x = 24,724,700,678,983.21/5,713,898.64 - Step 6: Final answer
x = 4,327,115.73
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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.