Finding the Fourth Proportional to 6,471,236.47, 8,930,493.24 and 3,570,814.12
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Solution
The fourth proportional to 6,471,236.47, 8,930,493.24 and 3,570,814.12 is: 4,927,826.62
Step by Step Solution
- Step 1: Write the proportion equation
6,471,236.47 : 8,930,493.24 = 3,570,814.12 : x - Step 2: Convert to fraction form
6,471,236.47/8,930,493.24 = 3,570,814.12/x - Step 3: Cross multiply
6,471,236.47x = 8,930,493.24 × 3,570,814.12 - Step 4: Simplify right side
6,471,236.47x = 31,889,131,359,956.55 - Step 5: Solve for x
x = 31,889,131,359,956.55/6,471,236.47 - Step 6: Final answer
x = 4,927,826.62
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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.