Finding the Fourth Proportional to 6,805,436.76, 10,209,163.68 and 2,192,877.72
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Solution
The fourth proportional to 6,805,436.76, 10,209,163.68 and 2,192,877.72 is: 3,289,641.56
Step by Step Solution
- Step 1: Write the proportion equation
6,805,436.76 : 10,209,163.68 = 2,192,877.72 : x - Step 2: Convert to fraction form
6,805,436.76/10,209,163.68 = 2,192,877.72/x - Step 3: Cross multiply
6,805,436.76x = 10,209,163.68 × 2,192,877.72 - Step 4: Simplify right side
6,805,436.76x = 22,387,447,573,705.21 - Step 5: Solve for x
x = 22,387,447,573,705.21/6,805,436.76 - Step 6: Final answer
x = 3,289,641.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.