Finding the Fourth Proportional to 2,639,415.44, 3,959,121.72 and 956,516.24
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Solution
The fourth proportional to 2,639,415.44, 3,959,121.72 and 956,516.24 is: 1,434,773.84
Step by Step Solution
- Step 1: Write the proportion equation
2,639,415.44 : 3,959,121.72 = 956,516.24 : x - Step 2: Convert to fraction form
2,639,415.44/3,959,121.72 = 956,516.24/x - Step 3: Cross multiply
2,639,415.44x = 3,959,121.72 × 956,516.24 - Step 4: Simplify right side
2,639,415.44x = 3,786,964,221,316.73 - Step 5: Solve for x
x = 3,786,964,221,316.73/2,639,415.44 - Step 6: Final answer
x = 1,434,773.84
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1.5x scale
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.