Finding the Fourth Proportional to 3,824,266.58, 5,277,869.12 and 2,855,715.36
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Solution
The fourth proportional to 3,824,266.58, 5,277,869.12 and 2,855,715.36 is: 3,941,171.88
Step by Step Solution
- Step 1: Write the proportion equation
3,824,266.58 : 5,277,869.12 = 2,855,715.36 : x - Step 2: Convert to fraction form
3,824,266.58/5,277,869.12 = 2,855,715.36/x - Step 3: Cross multiply
3,824,266.58x = 5,277,869.12 × 2,855,715.36 - Step 4: Simplify right side
3,824,266.58x = 15,072,091,914,053.68 - Step 5: Solve for x
x = 15,072,091,914,053.68/3,824,266.58 - Step 6: Final answer
x = 3,941,171.88
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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.