Finding the Fourth Proportional to 4,890,624.20, 7,330,031.40 and 2,493,234.80
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Solution
The fourth proportional to 4,890,624.20, 7,330,031.40 and 2,493,234.80 is: 3,736,841.89
Step by Step Solution
- Step 1: Write the proportion equation
4,890,624.20 : 7,330,031.40 = 2,493,234.80 : x - Step 2: Convert to fraction form
4,890,624.20/7,330,031.40 = 2,493,234.80/x - Step 3: Cross multiply
4,890,624.20x = 7,330,031.40 × 2,493,234.80 - Step 4: Simplify right side
4,890,624.20x = 18,275,489,371,572.72 - Step 5: Solve for x
x = 18,275,489,371,572.72/4,890,624.20 - Step 6: Final answer
x = 3,736,841.89
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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.