Finding the Fourth Proportional to 4,344,821.20, 6,517,231.80 and 1,150,270.30
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Solution
The fourth proportional to 4,344,821.20, 6,517,231.80 and 1,150,270.30 is: 1,725,405.45
Step by Step Solution
- Step 1: Write the proportion equation
4,344,821.20 : 6,517,231.80 = 1,150,270.30 : x - Step 2: Convert to fraction form
4,344,821.20/6,517,231.80 = 1,150,270.30/x - Step 3: Cross multiply
4,344,821.20x = 6,517,231.80 × 1,150,270.30 - Step 4: Simplify right side
4,344,821.20x = 7,496,578,177,755.54 - Step 5: Solve for x
x = 7,496,578,177,755.54/4,344,821.20 - Step 6: Final answer
x = 1,725,405.45
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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.