Finding the Fourth Proportional to 2,125,188.54, 2,932,741.44 and 1,158,318.90
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Solution
The fourth proportional to 2,125,188.54, 2,932,741.44 and 1,158,318.90 is: 1,598,469.87
Step by Step Solution
- Step 1: Write the proportion equation
2,125,188.54 : 2,932,741.44 = 1,158,318.90 : x - Step 2: Convert to fraction form
2,125,188.54/2,932,741.44 = 1,158,318.90/x - Step 3: Cross multiply
2,125,188.54x = 2,932,741.44 × 1,158,318.90 - Step 4: Simplify right side
2,125,188.54x = 3,397,049,838,765.22 - Step 5: Solve for x
x = 3,397,049,838,765.22/2,125,188.54 - Step 6: Final answer
x = 1,598,469.87
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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.