Finding the Fourth Proportional to 1,821,703.70, 2,727,640.35 and 1,821,703.70
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Solution
The fourth proportional to 1,821,703.70, 2,727,640.35 and 1,821,703.70 is: 2,727,640.35
Step by Step Solution
- Step 1: Write the proportion equation
1,821,703.70 : 2,727,640.35 = 1,821,703.70 : x - Step 2: Convert to fraction form
1,821,703.70/2,727,640.35 = 1,821,703.70/x - Step 3: Cross multiply
1,821,703.70x = 2,727,640.35 × 1,821,703.70 - Step 4: Simplify right side
1,821,703.70x = 4,968,952,517,864.30 - Step 5: Solve for x
x = 4,968,952,517,864.30/1,821,703.70 - Step 6: Final answer
x = 2,727,640.35
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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.