Finding the Fourth Proportional to 3,193,963.99, 4,407,737.01 and 1,743,720.55
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Solution
The fourth proportional to 3,193,963.99, 4,407,737.01 and 1,743,720.55 is: 2,406,370.77
Step by Step Solution
- Step 1: Write the proportion equation
3,193,963.99 : 4,407,737.01 = 1,743,720.55 : x - Step 2: Convert to fraction form
3,193,963.99/4,407,737.01 = 1,743,720.55/x - Step 3: Cross multiply
3,193,963.99x = 4,407,737.01 × 1,743,720.55 - Step 4: Simplify right side
3,193,963.99x = 7,685,861,585,774.26 - Step 5: Solve for x
x = 7,685,861,585,774.26/3,193,963.99 - Step 6: Final answer
x = 2,406,370.77
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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.