Finding the Fourth Proportional to 4,557,391.20, 6,289,973.22 and 2,624,770.68
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Solution
The fourth proportional to 4,557,391.20, 6,289,973.22 and 2,624,770.68 is: 3,622,628.95
Step by Step Solution
- Step 1: Write the proportion equation
4,557,391.20 : 6,289,973.22 = 2,624,770.68 : x - Step 2: Convert to fraction form
4,557,391.20/6,289,973.22 = 2,624,770.68/x - Step 3: Cross multiply
4,557,391.20x = 6,289,973.22 × 2,624,770.68 - Step 4: Simplify right side
4,557,391.20x = 16,509,737,285,841.19 - Step 5: Solve for x
x = 16,509,737,285,841.19/4,557,391.20 - Step 6: Final answer
x = 3,622,628.95
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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.