Finding the Fourth Proportional to 3,486,136.20, 5,229,204.30 and 2,409,968.18
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Solution
The fourth proportional to 3,486,136.20, 5,229,204.30 and 2,409,968.18 is: 3,614,952.26
Step by Step Solution
- Step 1: Write the proportion equation
3,486,136.20 : 5,229,204.30 = 2,409,968.18 : x - Step 2: Convert to fraction form
3,486,136.20/5,229,204.30 = 2,409,968.18/x - Step 3: Cross multiply
3,486,136.20x = 5,229,204.30 × 2,409,968.18 - Step 4: Simplify right side
3,486,136.20x = 12,602,215,943,573.15 - Step 5: Solve for x
x = 12,602,215,943,573.15/3,486,136.20 - Step 6: Final answer
x = 3,614,952.26
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1.5x scale
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.