Finding the Fourth Proportional to 5,438,322.28, 8,153,569.50 and 2,558,078.92
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Solution
The fourth proportional to 5,438,322.28, 8,153,569.50 and 2,558,078.92 is: 3,835,277.35
Step by Step Solution
- Step 1: Write the proportion equation
5,438,322.28 : 8,153,569.50 = 2,558,078.92 : x - Step 2: Convert to fraction form
5,438,322.28/8,153,569.50 = 2,558,078.92/x - Step 3: Cross multiply
5,438,322.28x = 8,153,569.50 × 2,558,078.92 - Step 4: Simplify right side
5,438,322.28x = 20,857,474,260,704.94 - Step 5: Solve for x
x = 20,857,474,260,704.94/5,438,322.28 - Step 6: Final answer
x = 3,835,277.35
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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.