Finding the Fourth Proportional to 3,407,883.68, 5,107,136.63 and 1,460,280.80
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Solution
The fourth proportional to 3,407,883.68, 5,107,136.63 and 1,460,280.80 is: 2,188,412.00
Step by Step Solution
- Step 1: Write the proportion equation
3,407,883.68 : 5,107,136.63 = 1,460,280.80 : x - Step 2: Convert to fraction form
3,407,883.68/5,107,136.63 = 1,460,280.80/x - Step 3: Cross multiply
3,407,883.68x = 5,107,136.63 × 1,460,280.80 - Step 4: Simplify right side
3,407,883.68x = 7,457,853,530,928.62 - Step 5: Solve for x
x = 7,457,853,530,928.62/3,407,883.68 - Step 6: Final answer
x = 2,188,412.00
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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.