Finding the Fourth Proportional to 1,561,195.60, 2,340,238.20 and 718,277.20
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Solution
The fourth proportional to 1,561,195.60, 2,340,238.20 and 718,277.20 is: 1,076,700.28
Step by Step Solution
- Step 1: Write the proportion equation
1,561,195.60 : 2,340,238.20 = 718,277.20 : x - Step 2: Convert to fraction form
1,561,195.60/2,340,238.20 = 718,277.20/x - Step 3: Cross multiply
1,561,195.60x = 2,340,238.20 × 718,277.20 - Step 4: Simplify right side
1,561,195.60x = 1,680,939,741,629.04 - Step 5: Solve for x
x = 1,680,939,741,629.04/1,561,195.60 - Step 6: Final answer
x = 1,076,700.28
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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.