Finding the Fourth Proportional to 5,408,423.50, 7,463,625.76 and 2,961,189.94
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Solution
The fourth proportional to 5,408,423.50, 7,463,625.76 and 2,961,189.94 is: 4,086,442.85
Step by Step Solution
- Step 1: Write the proportion equation
5,408,423.50 : 7,463,625.76 = 2,961,189.94 : x - Step 2: Convert to fraction form
5,408,423.50/7,463,625.76 = 2,961,189.94/x - Step 3: Cross multiply
5,408,423.50x = 7,463,625.76 × 2,961,189.94 - Step 4: Simplify right side
5,408,423.50x = 22,101,213,516,436.85 - Step 5: Solve for x
x = 22,101,213,516,436.85/5,408,423.50 - Step 6: Final answer
x = 4,086,442.85
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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.