Finding the Fourth Proportional to 4,228,937.69, 5,835,989.99 and 2,295,221.45
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Solution
The fourth proportional to 4,228,937.69, 5,835,989.99 and 2,295,221.45 is: 3,167,435.98
Step by Step Solution
- Step 1: Write the proportion equation
4,228,937.69 : 5,835,989.99 = 2,295,221.45 : x - Step 2: Convert to fraction form
4,228,937.69/5,835,989.99 = 2,295,221.45/x - Step 3: Cross multiply
4,228,937.69x = 5,835,989.99 × 2,295,221.45 - Step 4: Simplify right side
4,228,937.69x = 13,394,889,383,591.39 - Step 5: Solve for x
x = 13,394,889,383,591.39/4,228,937.69 - Step 6: Final answer
x = 3,167,435.98
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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.