Finding the Fourth Proportional to 2,709,311.09, 4,061,121.81 and 911,570.44
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Solution
The fourth proportional to 2,709,311.09, 4,061,121.81 and 911,570.44 is: 1,366,398.49
Step by Step Solution
- Step 1: Write the proportion equation
2,709,311.09 : 4,061,121.81 = 911,570.44 : x - Step 2: Convert to fraction form
2,709,311.09/4,061,121.81 = 911,570.44/x - Step 3: Cross multiply
2,709,311.09x = 4,061,121.81 × 911,570.44 - Step 4: Simplify right side
2,709,311.09x = 3,701,998,596,970.08 - Step 5: Solve for x
x = 3,701,998,596,970.08/2,709,311.09 - Step 6: Final answer
x = 1,366,398.49
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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.