Finding the Fourth Proportional to 3,106,720.99, 4,285,066.48 and 2,073,707.94
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Solution
The fourth proportional to 3,106,720.99, 4,285,066.48 and 2,073,707.94 is: 2,860,242.81
Step by Step Solution
- Step 1: Write the proportion equation
3,106,720.99 : 4,285,066.48 = 2,073,707.94 : x - Step 2: Convert to fraction form
3,106,720.99/4,285,066.48 = 2,073,707.94/x - Step 3: Cross multiply
3,106,720.99x = 4,285,066.48 × 2,073,707.94 - Step 4: Simplify right side
3,106,720.99x = 8,885,976,383,003.85 - Step 5: Solve for x
x = 8,885,976,383,003.85/3,106,720.99 - Step 6: Final answer
x = 2,860,242.81
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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.