Finding the Fourth Proportional to 6,718,634.49, 10,077,959.66 and 1,669,944.99
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Solution
The fourth proportional to 6,718,634.49, 10,077,959.66 and 1,669,944.99 is: 2,504,919.45
Step by Step Solution
- Step 1: Write the proportion equation
6,718,634.49 : 10,077,959.66 = 1,669,944.99 : x - Step 2: Convert to fraction form
6,718,634.49/10,077,959.66 = 1,669,944.99/x - Step 3: Cross multiply
6,718,634.49x = 10,077,959.66 × 1,669,944.99 - Step 4: Simplify right side
6,718,634.49x = 16,829,638,235,289.38 - Step 5: Solve for x
x = 16,829,638,235,289.38/6,718,634.49 - Step 6: Final answer
x = 2,504,919.45
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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.