Finding the Fourth Proportional to 4,392,914.70, 6,586,261.65 and 1,696,197.90
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Solution
The fourth proportional to 4,392,914.70, 6,586,261.65 and 1,696,197.90 is: 2,543,095.86
Step by Step Solution
- Step 1: Write the proportion equation
4,392,914.70 : 6,586,261.65 = 1,696,197.90 : x - Step 2: Convert to fraction form
4,392,914.70/6,586,261.65 = 1,696,197.90/x - Step 3: Cross multiply
4,392,914.70x = 6,586,261.65 × 1,696,197.90 - Step 4: Simplify right side
4,392,914.70x = 11,171,603,179,580.54 - Step 5: Solve for x
x = 11,171,603,179,580.54/4,392,914.70 - Step 6: Final answer
x = 2,543,095.86
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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.