Finding the Fourth Proportional to 6,474,516.96, 8,934,789.60 and 3,534,322.08
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Solution
The fourth proportional to 6,474,516.96, 8,934,789.60 and 3,534,322.08 is: 4,877,340.56
Step by Step Solution
- Step 1: Write the proportion equation
6,474,516.96 : 8,934,789.60 = 3,534,322.08 : x - Step 2: Convert to fraction form
6,474,516.96/8,934,789.60 = 3,534,322.08/x - Step 3: Cross multiply
6,474,516.96x = 8,934,789.60 × 3,534,322.08 - Step 4: Simplify right side
6,474,516.96x = 31,578,424,163,434.37 - Step 5: Solve for x
x = 31,578,424,163,434.37/6,474,516.96 - Step 6: Final answer
x = 4,877,340.56
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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.