Finding the Fourth Proportional to 5,257,601.62, 7,255,487.18 and 2,843,153.62
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Solution
The fourth proportional to 5,257,601.62, 7,255,487.18 and 2,843,153.62 is: 3,923,550.34
Step by Step Solution
- Step 1: Write the proportion equation
5,257,601.62 : 7,255,487.18 = 2,843,153.62 : x - Step 2: Convert to fraction form
5,257,601.62/7,255,487.18 = 2,843,153.62/x - Step 3: Cross multiply
5,257,601.62x = 7,255,487.18 × 2,843,153.62 - Step 4: Simplify right side
5,257,601.62x = 20,628,464,640,680.59 - Step 5: Solve for x
x = 20,628,464,640,680.59/5,257,601.62 - Step 6: Final answer
x = 3,923,550.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.