Finding the Fourth Proportional to 6,761,578.84, 9,330,509.02 and 4,008,123.96
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Solution
The fourth proportional to 6,761,578.84, 9,330,509.02 and 4,008,123.96 is: 5,530,932.59
Step by Step Solution
- Step 1: Write the proportion equation
6,761,578.84 : 9,330,509.02 = 4,008,123.96 : x - Step 2: Convert to fraction form
6,761,578.84/9,330,509.02 = 4,008,123.96/x - Step 3: Cross multiply
6,761,578.84x = 9,330,509.02 × 4,008,123.96 - Step 4: Simplify right side
6,761,578.84x = 37,397,836,762,058.12 - Step 5: Solve for x
x = 37,397,836,762,058.12/6,761,578.84 - Step 6: Final answer
x = 5,530,932.59
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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.