Finding the Fourth Proportional to 3,590,640.16, 5,381,306.75 and 1,458,247.12
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Solution
The fourth proportional to 3,590,640.16, 5,381,306.75 and 1,458,247.12 is: 2,185,480.78
Step by Step Solution
- Step 1: Write the proportion equation
3,590,640.16 : 5,381,306.75 = 1,458,247.12 : x - Step 2: Convert to fraction form
3,590,640.16/5,381,306.75 = 1,458,247.12/x - Step 3: Cross multiply
3,590,640.16x = 5,381,306.75 × 1,458,247.12 - Step 4: Simplify right side
3,590,640.16x = 7,847,275,060,216.41 - Step 5: Solve for x
x = 7,847,275,060,216.41/3,590,640.16 - Step 6: Final answer
x = 2,185,480.78
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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.