Finding the Fourth Proportional to 1,728,613.98, 2,385,473.49 and 1,003,528.98
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Solution
The fourth proportional to 1,728,613.98, 2,385,473.49 and 1,003,528.98 is: 1,384,861.98
Step by Step Solution
- Step 1: Write the proportion equation
1,728,613.98 : 2,385,473.49 = 1,003,528.98 : x - Step 2: Convert to fraction form
1,728,613.98/2,385,473.49 = 1,003,528.98/x - Step 3: Cross multiply
1,728,613.98x = 2,385,473.49 × 1,003,528.98 - Step 4: Simplify right side
1,728,613.98x = 2,393,891,778,236.74 - Step 5: Solve for x
x = 2,393,891,778,236.74/1,728,613.98 - Step 6: Final answer
x = 1,384,861.98
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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.