Finding the Fourth Proportional to 5,173,163.67, 7,138,318.95 and 2,997,667.29
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Solution
The fourth proportional to 5,173,163.67, 7,138,318.95 and 2,997,667.29 is: 4,136,406.00
Step by Step Solution
- Step 1: Write the proportion equation
5,173,163.67 : 7,138,318.95 = 2,997,667.29 : x - Step 2: Convert to fraction form
5,173,163.67/7,138,318.95 = 2,997,667.29/x - Step 3: Cross multiply
5,173,163.67x = 7,138,318.95 × 2,997,667.29 - Step 4: Simplify right side
5,173,163.67x = 21,398,305,222,002.14 - Step 5: Solve for x
x = 21,398,305,222,002.14/5,173,163.67 - Step 6: Final answer
x = 4,136,406.00
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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.