Finding the Fourth Proportional to 2,208,782.10, 3,313,173.15 and 2,103,806.10
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Solution
The fourth proportional to 2,208,782.10, 3,313,173.15 and 2,103,806.10 is: 3,155,709.15
Step by Step Solution
- Step 1: Write the proportion equation
2,208,782.10 : 3,313,173.15 = 2,103,806.10 : x - Step 2: Convert to fraction form
2,208,782.10/3,313,173.15 = 2,103,806.10/x - Step 3: Cross multiply
2,208,782.10x = 3,313,173.15 × 2,103,806.10 - Step 4: Simplify right side
2,208,782.10x = 6,970,273,883,326.22 - Step 5: Solve for x
x = 6,970,273,883,326.22/2,208,782.10 - Step 6: Final answer
x = 3,155,709.15
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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.