Finding the Fourth Proportional to 4,855,434.36, 6,699,499.11 and 2,790,050.82
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Solution
The fourth proportional to 4,855,434.36, 6,699,499.11 and 2,790,050.82 is: 3,849,695.33
Step by Step Solution
- Step 1: Write the proportion equation
4,855,434.36 : 6,699,499.11 = 2,790,050.82 : x - Step 2: Convert to fraction form
4,855,434.36/6,699,499.11 = 2,790,050.82/x - Step 3: Cross multiply
4,855,434.36x = 6,699,499.11 × 2,790,050.82 - Step 4: Simplify right side
4,855,434.36x = 18,691,942,985,444.77 - Step 5: Solve for x
x = 18,691,942,985,444.77/4,855,434.36 - Step 6: Final answer
x = 3,849,695.33
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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.