Finding the Fourth Proportional to 5,193,904.16, 7,167,610.26 and 2,839,149.98
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Solution
The fourth proportional to 5,193,904.16, 7,167,610.26 and 2,839,149.98 is: 3,918,039.28
Step by Step Solution
- Step 1: Write the proportion equation
5,193,904.16 : 7,167,610.26 = 2,839,149.98 : x - Step 2: Convert to fraction form
5,193,904.16/7,167,610.26 = 2,839,149.98/x - Step 3: Cross multiply
5,193,904.16x = 7,167,610.26 × 2,839,149.98 - Step 4: Simplify right side
5,193,904.16x = 20,349,920,517,367.28 - Step 5: Solve for x
x = 20,349,920,517,367.28/5,193,904.16 - Step 6: Final answer
x = 3,918,039.28
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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.