Finding the Fourth Proportional to 3,789,472.80, 5,675,914.80 and 3,291,808.80
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Solution
The fourth proportional to 3,789,472.80, 5,675,914.80 and 3,291,808.80 is: 4,930,508.09
Step by Step Solution
- Step 1: Write the proportion equation
3,789,472.80 : 5,675,914.80 = 3,291,808.80 : x - Step 2: Convert to fraction form
3,789,472.80/5,675,914.80 = 3,291,808.80/x - Step 3: Cross multiply
3,789,472.80x = 5,675,914.80 × 3,291,808.80 - Step 4: Simplify right side
3,789,472.80x = 18,684,026,286,690.24 - Step 5: Solve for x
x = 18,684,026,286,690.24/3,789,472.80 - Step 6: Final answer
x = 4,930,508.09
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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.