Finding the Fourth Proportional to 2,107,649.88, 3,161,615.58 and 741,259.62
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Solution
The fourth proportional to 2,107,649.88, 3,161,615.58 and 741,259.62 is: 1,111,938.94
Step by Step Solution
- Step 1: Write the proportion equation
2,107,649.88 : 3,161,615.58 = 741,259.62 : x - Step 2: Convert to fraction form
2,107,649.88/3,161,615.58 = 741,259.62/x - Step 3: Cross multiply
2,107,649.88x = 3,161,615.58 × 741,259.62 - Step 4: Simplify right side
2,107,649.88x = 2,343,577,963,416.88 - Step 5: Solve for x
x = 2,343,577,963,416.88/2,107,649.88 - Step 6: Final answer
x = 1,111,938.94
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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.