Finding the Fourth Proportional to 5,153,787.58, 7,728,036.96 and 2,726,251.07
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Solution
The fourth proportional to 5,153,787.58, 7,728,036.96 and 2,726,251.07 is: 4,087,977.76
Step by Step Solution
- Step 1: Write the proportion equation
5,153,787.58 : 7,728,036.96 = 2,726,251.07 : x - Step 2: Convert to fraction form
5,153,787.58/7,728,036.96 = 2,726,251.07/x - Step 3: Cross multiply
5,153,787.58x = 7,728,036.96 × 2,726,251.07 - Step 4: Simplify right side
5,153,787.58x = 21,068,568,978,928.11 - Step 5: Solve for x
x = 21,068,568,978,928.11/5,153,787.58 - Step 6: Final answer
x = 4,087,977.76
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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.