Finding the Fourth Proportional to 2,589,631.60, 3,884,107.20 and 792,695.20
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Solution
The fourth proportional to 2,589,631.60, 3,884,107.20 and 792,695.20 is: 1,188,938.66
Step by Step Solution
- Step 1: Write the proportion equation
2,589,631.60 : 3,884,107.20 = 792,695.20 : x - Step 2: Convert to fraction form
2,589,631.60/3,884,107.20 = 792,695.20/x - Step 3: Cross multiply
2,589,631.60x = 3,884,107.20 × 792,695.20 - Step 4: Simplify right side
2,589,631.60x = 3,078,913,133,725.44 - Step 5: Solve for x
x = 3,078,913,133,725.44/2,589,631.60 - Step 6: Final answer
x = 1,188,938.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.