Finding the Fourth Proportional to 4,972,098.24, 7,458,523.20 and 1,377,823.68
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Solution
The fourth proportional to 4,972,098.24, 7,458,523.20 and 1,377,823.68 is: 2,066,839.67
Step by Step Solution
- Step 1: Write the proportion equation
4,972,098.24 : 7,458,523.20 = 1,377,823.68 : x - Step 2: Convert to fraction form
4,972,098.24/7,458,523.20 = 1,377,823.68/x - Step 3: Cross multiply
4,972,098.24x = 7,458,523.20 × 1,377,823.68 - Step 4: Simplify right side
4,972,098.24x = 10,276,529,882,789.38 - Step 5: Solve for x
x = 10,276,529,882,789.38/4,972,098.24 - Step 6: Final answer
x = 2,066,839.67
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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.