Finding the Fourth Proportional to 4,478,163.78, 6,713,268.67 and 1,745,078.08
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Solution
The fourth proportional to 4,478,163.78, 6,713,268.67 and 1,745,078.08 is: 2,616,067.34
Step by Step Solution
- Step 1: Write the proportion equation
4,478,163.78 : 6,713,268.67 = 1,745,078.08 : x - Step 2: Convert to fraction form
4,478,163.78/6,713,268.67 = 1,745,078.08/x - Step 3: Cross multiply
4,478,163.78x = 6,713,268.67 × 1,745,078.08 - Step 4: Simplify right side
4,478,163.78x = 11,715,177,989,337.24 - Step 5: Solve for x
x = 11,715,177,989,337.24/4,478,163.78 - Step 6: Final answer
x = 2,616,067.34
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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.