Finding the Fourth Proportional to 6,472,231.98, 8,931,515.49 and 3,571,584.90
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Solution
The fourth proportional to 6,472,231.98, 8,931,515.49 and 3,571,584.90 is: 4,928,696.31
Step by Step Solution
- Step 1: Write the proportion equation
6,472,231.98 : 8,931,515.49 = 3,571,584.90 : x - Step 2: Convert to fraction form
6,472,231.98/8,931,515.49 = 3,571,584.90/x - Step 3: Cross multiply
6,472,231.98x = 8,931,515.49 × 3,571,584.90 - Step 4: Simplify right side
6,472,231.98x = 31,899,665,858,200.10 - Step 5: Solve for x
x = 31,899,665,858,200.10/6,472,231.98 - Step 6: Final answer
x = 4,928,696.31
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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.