Finding the Fourth Proportional to 4,256,805.20, 6,385,207.80 and 2,017,317.20
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Solution
The fourth proportional to 4,256,805.20, 6,385,207.80 and 2,017,317.20 is: 3,025,975.80
Step by Step Solution
- Step 1: Write the proportion equation
4,256,805.20 : 6,385,207.80 = 2,017,317.20 : x - Step 2: Convert to fraction form
4,256,805.20/6,385,207.80 = 2,017,317.20/x - Step 3: Cross multiply
4,256,805.20x = 6,385,207.80 × 2,017,317.20 - Step 4: Simplify right side
4,256,805.20x = 12,880,989,520,514.16 - Step 5: Solve for x
x = 12,880,989,520,514.16/4,256,805.20 - Step 6: Final answer
x = 3,025,975.80
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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.