Finding the Fourth Proportional to 4,272,000.10, 6,408,000.15 and 1,279,795.30
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Solution
The fourth proportional to 4,272,000.10, 6,408,000.15 and 1,279,795.30 is: 1,919,692.95
Step by Step Solution
- Step 1: Write the proportion equation
4,272,000.10 : 6,408,000.15 = 1,279,795.30 : x - Step 2: Convert to fraction form
4,272,000.10/6,408,000.15 = 1,279,795.30/x - Step 3: Cross multiply
4,272,000.10x = 6,408,000.15 × 1,279,795.30 - Step 4: Simplify right side
4,272,000.10x = 8,200,928,474,369.30 - Step 5: Solve for x
x = 8,200,928,474,369.30/4,272,000.10 - Step 6: Final answer
x = 1,919,692.95
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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.