Finding the Fourth Proportional to 2,073,530.08, 2,861,837.80 and 1,647,065.12
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Solution
The fourth proportional to 2,073,530.08, 2,861,837.80 and 1,647,065.12 is: 2,273,240.82
Step by Step Solution
- Step 1: Write the proportion equation
2,073,530.08 : 2,861,837.80 = 1,647,065.12 : x - Step 2: Convert to fraction form
2,073,530.08/2,861,837.80 = 1,647,065.12/x - Step 3: Cross multiply
2,073,530.08x = 2,861,837.80 × 1,647,065.12 - Step 4: Simplify right side
2,073,530.08x = 4,713,633,219,477.54 - Step 5: Solve for x
x = 4,713,633,219,477.54/2,073,530.08 - Step 6: Final answer
x = 2,273,240.82
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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.