Finding the Fourth Proportional to 5,206,394.16, 7,184,769.12 and 2,914,573.68
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Solution
The fourth proportional to 5,206,394.16, 7,184,769.12 and 2,914,573.68 is: 4,022,080.99
Step by Step Solution
- Step 1: Write the proportion equation
5,206,394.16 : 7,184,769.12 = 2,914,573.68 : x - Step 2: Convert to fraction form
5,206,394.16/7,184,769.12 = 2,914,573.68/x - Step 3: Cross multiply
5,206,394.16x = 7,184,769.12 × 2,914,573.68 - Step 4: Simplify right side
5,206,394.16x = 20,940,538,974,028.76 - Step 5: Solve for x
x = 20,940,538,974,028.76/5,206,394.16 - Step 6: Final answer
x = 4,022,080.99
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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.