Finding the Fourth Proportional to 4,023,245.74, 5,554,136.08 and 3,103,409.92
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Solution
The fourth proportional to 4,023,245.74, 5,554,136.08 and 3,103,409.92 is: 4,284,292.37
Step by Step Solution
- Step 1: Write the proportion equation
4,023,245.74 : 5,554,136.08 = 3,103,409.92 : x - Step 2: Convert to fraction form
4,023,245.74/5,554,136.08 = 3,103,409.92/x - Step 3: Cross multiply
4,023,245.74x = 5,554,136.08 × 3,103,409.92 - Step 4: Simplify right side
4,023,245.74x = 17,236,761,007,701.91 - Step 5: Solve for x
x = 17,236,761,007,701.91/4,023,245.74 - Step 6: Final answer
x = 4,284,292.37
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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.