Finding the Fourth Proportional to 3,606,475.26, 4,976,935.74 and 1,974,982.38
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Solution
The fourth proportional to 3,606,475.26, 4,976,935.74 and 1,974,982.38 is: 2,725,475.62
Step by Step Solution
- Step 1: Write the proportion equation
3,606,475.26 : 4,976,935.74 = 1,974,982.38 : x - Step 2: Convert to fraction form
3,606,475.26/4,976,935.74 = 1,974,982.38/x - Step 3: Cross multiply
3,606,475.26x = 4,976,935.74 × 1,974,982.38 - Step 4: Simplify right side
3,606,475.26x = 9,829,360,392,892.26 - Step 5: Solve for x
x = 9,829,360,392,892.26/3,606,475.26 - Step 6: Final answer
x = 2,725,475.62
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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.