Finding the Fourth Proportional to 3,461,882.19, 4,777,580.32 and 2,085,659.13
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Solution
The fourth proportional to 3,461,882.19, 4,777,580.32 and 2,085,659.13 is: 2,878,319.79
Step by Step Solution
- Step 1: Write the proportion equation
3,461,882.19 : 4,777,580.32 = 2,085,659.13 : x - Step 2: Convert to fraction form
3,461,882.19/4,777,580.32 = 2,085,659.13/x - Step 3: Cross multiply
3,461,882.19x = 4,777,580.32 × 2,085,659.13 - Step 4: Simplify right side
3,461,882.19x = 9,964,404,013,716.32 - Step 5: Solve for x
x = 9,964,404,013,716.32/3,461,882.19 - Step 6: Final answer
x = 2,878,319.79
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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.