Finding the Fourth Proportional to 5,517,812.70, 8,278,118.70 and 1,731,328.38
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Solution
The fourth proportional to 5,517,812.70, 8,278,118.70 and 1,731,328.38 is: 2,597,431.74
Step by Step Solution
- Step 1: Write the proportion equation
5,517,812.70 : 8,278,118.70 = 1,731,328.38 : x - Step 2: Convert to fraction form
5,517,812.70/8,278,118.70 = 1,731,328.38/x - Step 3: Cross multiply
5,517,812.70x = 8,278,118.70 × 1,731,328.38 - Step 4: Simplify right side
5,517,812.70x = 14,332,141,838,318.71 - Step 5: Solve for x
x = 14,332,141,838,318.71/5,517,812.70 - Step 6: Final answer
x = 2,597,431.74
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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.