Finding the Fourth Proportional to 3,867,485.02, 5,336,816.94 and 2,235,997.48
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Solution
The fourth proportional to 3,867,485.02, 5,336,816.94 and 2,235,997.48 is: 3,085,495.91
Step by Step Solution
- Step 1: Write the proportion equation
3,867,485.02 : 5,336,816.94 = 2,235,997.48 : x - Step 2: Convert to fraction form
3,867,485.02/5,336,816.94 = 2,235,997.48/x - Step 3: Cross multiply
3,867,485.02x = 5,336,816.94 × 2,235,997.48 - Step 4: Simplify right side
3,867,485.02x = 11,933,109,229,061.31 - Step 5: Solve for x
x = 11,933,109,229,061.31/3,867,485.02 - Step 6: Final answer
x = 3,085,495.91
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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.