Finding the Fourth Proportional to 6,144,255.24, 8,479,553.16 and 3,391,489.28
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Solution
The fourth proportional to 6,144,255.24, 8,479,553.16 and 3,391,489.28 is: 4,680,520.66
Step by Step Solution
- Step 1: Write the proportion equation
6,144,255.24 : 8,479,553.16 = 3,391,489.28 : x - Step 2: Convert to fraction form
6,144,255.24/8,479,553.16 = 3,391,489.28/x - Step 3: Cross multiply
6,144,255.24x = 8,479,553.16 × 3,391,489.28 - Step 4: Simplify right side
6,144,255.24x = 28,758,313,598,932.36 - Step 5: Solve for x
x = 28,758,313,598,932.36/6,144,255.24 - Step 6: Final answer
x = 4,680,520.66
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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.