Finding the Fourth Proportional to 3,239,137.50, 4,861,695.18 and 1,642,821.60
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Solution
The fourth proportional to 3,239,137.50, 4,861,695.18 and 1,642,821.60 is: 2,465,748.32
Step by Step Solution
- Step 1: Write the proportion equation
3,239,137.50 : 4,861,695.18 = 1,642,821.60 : x - Step 2: Convert to fraction form
3,239,137.50/4,861,695.18 = 1,642,821.60/x - Step 3: Cross multiply
3,239,137.50x = 4,861,695.18 × 1,642,821.60 - Step 4: Simplify right side
3,239,137.50x = 7,986,897,854,319.89 - Step 5: Solve for x
x = 7,986,897,854,319.89/3,239,137.50 - Step 6: Final answer
x = 2,465,748.32
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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.