Finding the Fourth Proportional to 4,955,339.11, 6,841,299.76 and 3,121,369.44
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Solution
The fourth proportional to 4,955,339.11, 6,841,299.76 and 3,121,369.44 is: 4,309,336.55
Step by Step Solution
- Step 1: Write the proportion equation
4,955,339.11 : 6,841,299.76 = 3,121,369.44 : x - Step 2: Convert to fraction form
4,955,339.11/6,841,299.76 = 3,121,369.44/x - Step 3: Cross multiply
4,955,339.11x = 6,841,299.76 × 3,121,369.44 - Step 4: Simplify right side
4,955,339.11x = 21,354,223,983,489.61 - Step 5: Solve for x
x = 21,354,223,983,489.61/4,955,339.11 - Step 6: Final answer
x = 4,309,336.55
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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.