Finding the Fourth Proportional to 5,418,858.08, 8,112,342.24 and 3,617,273.12
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Solution
The fourth proportional to 5,418,858.08, 8,112,342.24 and 3,617,273.12 is: 5,415,265.93
Step by Step Solution
- Step 1: Write the proportion equation
5,418,858.08 : 8,112,342.24 = 3,617,273.12 : x - Step 2: Convert to fraction form
5,418,858.08/8,112,342.24 = 3,617,273.12/x - Step 3: Cross multiply
5,418,858.08x = 8,112,342.24 × 3,617,273.12 - Step 4: Simplify right side
5,418,858.08x = 29,344,557,524,992.59 - Step 5: Solve for x
x = 29,344,557,524,992.59/5,418,858.08 - Step 6: Final answer
x = 5,415,265.93
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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.