Finding the Fourth Proportional to 5,529,113.87, 7,630,212.76 and 3,081,880.31
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Solution
The fourth proportional to 5,529,113.87, 7,630,212.76 and 3,081,880.31 is: 4,253,014.68
Step by Step Solution
- Step 1: Write the proportion equation
5,529,113.87 : 7,630,212.76 = 3,081,880.31 : x - Step 2: Convert to fraction form
5,529,113.87/7,630,212.76 = 3,081,880.31/x - Step 3: Cross multiply
5,529,113.87x = 7,630,212.76 × 3,081,880.31 - Step 4: Simplify right side
5,529,113.87x = 23,515,402,420,298.99 - Step 5: Solve for x
x = 23,515,402,420,298.99/5,529,113.87 - Step 6: Final answer
x = 4,253,014.68
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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.