Finding the Fourth Proportional to 4,800,650.79, 7,193,392.08 and 3,897,680.87
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Solution
The fourth proportional to 4,800,650.79, 7,193,392.08 and 3,897,680.87 is: 5,840,363.72
Step by Step Solution
- Step 1: Write the proportion equation
4,800,650.79 : 7,193,392.08 = 3,897,680.87 : x - Step 2: Convert to fraction form
4,800,650.79/7,193,392.08 = 3,897,680.87/x - Step 3: Cross multiply
4,800,650.79x = 7,193,392.08 × 3,897,680.87 - Step 4: Simplify right side
4,800,650.79x = 28,037,546,700,625.51 - Step 5: Solve for x
x = 28,037,546,700,625.51/4,800,650.79 - Step 6: Final answer
x = 5,840,363.72
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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.