Finding the Fourth Proportional to 5,529,279.36, 7,630,135.20 and 3,082,156.80
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Solution
The fourth proportional to 5,529,279.36, 7,630,135.20 and 3,082,156.80 is: 4,253,225.70
Step by Step Solution
- Step 1: Write the proportion equation
5,529,279.36 : 7,630,135.20 = 3,082,156.80 : x - Step 2: Convert to fraction form
5,529,279.36/7,630,135.20 = 3,082,156.80/x - Step 3: Cross multiply
5,529,279.36x = 7,630,135.20 × 3,082,156.80 - Step 4: Simplify right side
5,529,279.36x = 23,517,273,091,599.36 - Step 5: Solve for x
x = 23,517,273,091,599.36/5,529,279.36 - Step 6: Final answer
x = 4,253,225.70
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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.