Finding the Fourth Proportional to 3,816,715.52, 5,267,205.96 and 2,097,966.80
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Solution
The fourth proportional to 3,816,715.52, 5,267,205.96 and 2,097,966.80 is: 2,895,270.34
Step by Step Solution
- Step 1: Write the proportion equation
3,816,715.52 : 5,267,205.96 = 2,097,966.80 : x - Step 2: Convert to fraction form
3,816,715.52/5,267,205.96 = 2,097,966.80/x - Step 3: Cross multiply
3,816,715.52x = 5,267,205.96 × 2,097,966.80 - Step 4: Simplify right side
3,816,715.52x = 11,050,423,232,842.13 - Step 5: Solve for x
x = 11,050,423,232,842.13/3,816,715.52 - Step 6: Final answer
x = 2,895,270.34
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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.