Finding the Fourth Proportional to 4,783,644.48, 6,629,925.28 and 4,694,064.96
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Solution
The fourth proportional to 4,783,644.48, 6,629,925.28 and 4,694,064.96 is: 6,505,771.92
Step by Step Solution
- Step 1: Write the proportion equation
4,783,644.48 : 6,629,925.28 = 4,694,064.96 : x - Step 2: Convert to fraction form
4,783,644.48/6,629,925.28 = 4,694,064.96/x - Step 3: Cross multiply
4,783,644.48x = 6,629,925.28 × 4,694,064.96 - Step 4: Simplify right side
4,783,644.48x = 31,121,299,944,266.19 - Step 5: Solve for x
x = 31,121,299,944,266.19/4,783,644.48 - Step 6: Final answer
x = 6,505,771.92
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.