Finding the Fourth Proportional to 7,683,819.62, 10,603,703.88 and 4,199,227.70
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Solution
The fourth proportional to 7,683,819.62, 10,603,703.88 and 4,199,227.70 is: 5,794,952.15
Step by Step Solution
- Step 1: Write the proportion equation
7,683,819.62 : 10,603,703.88 = 4,199,227.70 : x - Step 2: Convert to fraction form
7,683,819.62/10,603,703.88 = 4,199,227.70/x - Step 3: Cross multiply
7,683,819.62x = 10,603,703.88 × 4,199,227.70 - Step 4: Simplify right side
7,683,819.62x = 44,527,367,002,474.96 - Step 5: Solve for x
x = 44,527,367,002,474.96/7,683,819.62 - Step 6: Final answer
x = 5,794,952.15
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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.