Finding the Fourth Proportional to 3,860,138.40, 5,787,408.24 and 2,594,827.68
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Solution
The fourth proportional to 3,860,138.40, 5,787,408.24 and 2,594,827.68 is: 3,890,359.76
Step by Step Solution
- Step 1: Write the proportion equation
3,860,138.40 : 5,787,408.24 = 2,594,827.68 : x - Step 2: Convert to fraction form
3,860,138.40/5,787,408.24 = 2,594,827.68/x - Step 3: Cross multiply
3,860,138.40x = 5,787,408.24 × 2,594,827.68 - Step 4: Simplify right side
3,860,138.40x = 15,017,327,096,612.08 - Step 5: Solve for x
x = 15,017,327,096,612.08/3,860,138.40 - Step 6: Final answer
x = 3,890,359.76
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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.