Finding the Fourth Proportional to 4,151,516.70, 6,227,237.98 and 1,311,628.75
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Solution
The fourth proportional to 4,151,516.70, 6,227,237.98 and 1,311,628.75 is: 1,967,431.41
Step by Step Solution
- Step 1: Write the proportion equation
4,151,516.70 : 6,227,237.98 = 1,311,628.75 : x - Step 2: Convert to fraction form
4,151,516.70/6,227,237.98 = 1,311,628.75/x - Step 3: Cross multiply
4,151,516.70x = 6,227,237.98 × 1,311,628.75 - Step 4: Simplify right side
4,151,516.70x = 8,167,824,367,659.93 - Step 5: Solve for x
x = 8,167,824,367,659.93/4,151,516.70 - Step 6: Final answer
x = 1,967,431.41
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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.