Finding the Fourth Proportional to 3,880,207.51, 5,354,851.58 and 2,161,327.57
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Solution
The fourth proportional to 3,880,207.51, 5,354,851.58 and 2,161,327.57 is: 2,982,724.07
Step by Step Solution
- Step 1: Write the proportion equation
3,880,207.51 : 5,354,851.58 = 2,161,327.57 : x - Step 2: Convert to fraction form
3,880,207.51/5,354,851.58 = 2,161,327.57/x - Step 3: Cross multiply
3,880,207.51x = 5,354,851.58 × 2,161,327.57 - Step 4: Simplify right side
3,880,207.51x = 11,573,588,353,112.06 - Step 5: Solve for x
x = 11,573,588,353,112.06/3,880,207.51 - Step 6: Final answer
x = 2,982,724.07
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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.