Finding the Fourth Proportional to 3,808,581.93, 5,255,939.73 and 2,089,701.99
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Solution
The fourth proportional to 3,808,581.93, 5,255,939.73 and 2,089,701.99 is: 2,883,841.79
Step by Step Solution
- Step 1: Write the proportion equation
3,808,581.93 : 5,255,939.73 = 2,089,701.99 : x - Step 2: Convert to fraction form
3,808,581.93/5,255,939.73 = 2,089,701.99/x - Step 3: Cross multiply
3,808,581.93x = 5,255,939.73 × 2,089,701.99 - Step 4: Simplify right side
3,808,581.93x = 10,983,347,713,101.06 - Step 5: Solve for x
x = 10,983,347,713,101.06/3,808,581.93 - Step 6: Final answer
x = 2,883,841.79
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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.