Finding the Fourth Proportional to 5,085,775.87, 7,628,059.44 and 1,673,216.18
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Solution
The fourth proportional to 5,085,775.87, 7,628,059.44 and 1,673,216.18 is: 2,509,625.44
Step by Step Solution
- Step 1: Write the proportion equation
5,085,775.87 : 7,628,059.44 = 1,673,216.18 : x - Step 2: Convert to fraction form
5,085,775.87/7,628,059.44 = 1,673,216.18/x - Step 3: Cross multiply
5,085,775.87x = 7,628,059.44 × 1,673,216.18 - Step 4: Simplify right side
5,085,775.87x = 12,763,392,485,892.66 - Step 5: Solve for x
x = 12,763,392,485,892.66/5,085,775.87 - Step 6: Final answer
x = 2,509,625.44
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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.