Finding the Fourth Proportional to 4,825,805.90, 7,238,702.70 and 1,231,572.92
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Solution
The fourth proportional to 4,825,805.90, 7,238,702.70 and 1,231,572.92 is: 1,847,357.80
Step by Step Solution
- Step 1: Write the proportion equation
4,825,805.90 : 7,238,702.70 = 1,231,572.92 : x - Step 2: Convert to fraction form
4,825,805.90/7,238,702.70 = 1,231,572.92/x - Step 3: Cross multiply
4,825,805.90x = 7,238,702.70 × 1,231,572.92 - Step 4: Simplify right side
4,825,805.90x = 8,914,990,185,057.37 - Step 5: Solve for x
x = 8,914,990,185,057.37/4,825,805.90 - Step 6: Final answer
x = 1,847,357.80
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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.