Finding the Fourth Proportional to 2,147,716.00, 2,963,904.21 and 1,167,720.96
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Solution
The fourth proportional to 2,147,716.00, 2,963,904.21 and 1,167,720.96 is: 1,611,485.44
Step by Step Solution
- Step 1: Write the proportion equation
2,147,716.00 : 2,963,904.21 = 1,167,720.96 : x - Step 2: Convert to fraction form
2,147,716.00/2,963,904.21 = 1,167,720.96/x - Step 3: Cross multiply
2,147,716.00x = 2,963,904.21 × 1,167,720.96 - Step 4: Simplify right side
2,147,716.00x = 3,461,013,063,891.92 - Step 5: Solve for x
x = 3,461,013,063,891.92/2,147,716.00 - Step 6: Final answer
x = 1,611,485.44
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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.