Finding the Fourth Proportional to 2,125,190.79, 2,932,765.52 and 1,158,321.87
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Solution
The fourth proportional to 2,125,190.79, 2,932,765.52 and 1,158,321.87 is: 1,598,485.39
Step by Step Solution
- Step 1: Write the proportion equation
2,125,190.79 : 2,932,765.52 = 1,158,321.87 : x - Step 2: Convert to fraction form
2,125,190.79/2,932,765.52 = 1,158,321.87/x - Step 3: Cross multiply
2,125,190.79x = 2,932,765.52 × 1,158,321.87 - Step 4: Simplify right side
2,125,190.79x = 3,397,086,435,606.31 - Step 5: Solve for x
x = 3,397,086,435,606.31/2,125,190.79 - Step 6: Final answer
x = 1,598,485.39
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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.