Finding the Fourth Proportional to 4,918,836.24, 7,329,354.39 and 4,382,233.92
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Solution
The fourth proportional to 4,918,836.24, 7,329,354.39 and 4,382,233.92 is: 6,529,785.47
Step by Step Solution
- Step 1: Write the proportion equation
4,918,836.24 : 7,329,354.39 = 4,382,233.92 : x - Step 2: Convert to fraction form
4,918,836.24/7,329,354.39 = 4,382,233.92/x - Step 3: Cross multiply
4,918,836.24x = 7,329,354.39 × 4,382,233.92 - Step 4: Simplify right side
4,918,836.24x = 32,118,945,419,558.91 - Step 5: Solve for x
x = 32,118,945,419,558.91/4,918,836.24 - Step 6: Final answer
x = 6,529,785.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.