Finding the Fourth Proportional to 3,884,558.20, 5,825,087.70 and 1,487,606.20
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Solution
The fourth proportional to 3,884,558.20, 5,825,087.70 and 1,487,606.20 is: 2,230,739.28
Step by Step Solution
- Step 1: Write the proportion equation
3,884,558.20 : 5,825,087.70 = 1,487,606.20 : x - Step 2: Convert to fraction form
3,884,558.20/5,825,087.70 = 1,487,606.20/x - Step 3: Cross multiply
3,884,558.20x = 5,825,087.70 × 1,487,606.20 - Step 4: Simplify right side
3,884,558.20x = 8,665,436,578,063.74 - Step 5: Solve for x
x = 8,665,436,578,063.74/3,884,558.20 - Step 6: Final answer
x = 2,230,739.28
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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.