Finding the Fourth Proportional to 3,112,508.48, 4,295,591.96 and 1,824,431.09
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Solution
The fourth proportional to 3,112,508.48, 4,295,591.96 and 1,824,431.09 is: 2,517,908.48
Step by Step Solution
- Step 1: Write the proportion equation
3,112,508.48 : 4,295,591.96 = 1,824,431.09 : x - Step 2: Convert to fraction form
3,112,508.48/4,295,591.96 = 1,824,431.09/x - Step 3: Cross multiply
3,112,508.48x = 4,295,591.96 × 1,824,431.09 - Step 4: Simplify right side
3,112,508.48x = 7,837,011,491,177.92 - Step 5: Solve for x
x = 7,837,011,491,177.92/3,112,508.48 - Step 6: Final answer
x = 2,517,908.48
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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.