Finding the Fourth Proportional to 7,783,960.17, 11,677,056.74 and 2,393,063.29
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Solution
The fourth proportional to 7,783,960.17, 11,677,056.74 and 2,393,063.29 is: 3,589,938.18
Step by Step Solution
- Step 1: Write the proportion equation
7,783,960.17 : 11,677,056.74 = 2,393,063.29 : x - Step 2: Convert to fraction form
7,783,960.17/11,677,056.74 = 2,393,063.29/x - Step 3: Cross multiply
7,783,960.17x = 11,677,056.74 × 2,393,063.29 - Step 4: Simplify right side
7,783,960.17x = 27,943,935,844,807.04 - Step 5: Solve for x
x = 27,943,935,844,807.04/7,783,960.17 - Step 6: Final answer
x = 3,589,938.18
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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.