Finding the Fourth Proportional to 4,086,538.99, 5,639,354.91 and 2,251,168.96
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Solution
The fourth proportional to 4,086,538.99, 5,639,354.91 and 2,251,168.96 is: 3,106,575.21
Step by Step Solution
- Step 1: Write the proportion equation
4,086,538.99 : 5,639,354.91 = 2,251,168.96 : x - Step 2: Convert to fraction form
4,086,538.99/5,639,354.91 = 2,251,168.96/x - Step 3: Cross multiply
4,086,538.99x = 5,639,354.91 × 2,251,168.96 - Step 4: Simplify right side
4,086,538.99x = 12,695,140,727,815.59 - Step 5: Solve for x
x = 12,695,140,727,815.59/4,086,538.99 - Step 6: Final answer
x = 3,106,575.21
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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.