Finding the Fourth Proportional to 1,561,170.62, 2,341,911.66 and 423,951.26
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Solution
The fourth proportional to 1,561,170.62, 2,341,911.66 and 423,951.26 is: 635,969.18
Step by Step Solution
- Step 1: Write the proportion equation
1,561,170.62 : 2,341,911.66 = 423,951.26 : x - Step 2: Convert to fraction form
1,561,170.62/2,341,911.66 = 423,951.26/x - Step 3: Cross multiply
1,561,170.62x = 2,341,911.66 × 423,951.26 - Step 4: Simplify right side
1,561,170.62x = 992,856,399,065.69 - Step 5: Solve for x
x = 992,856,399,065.69/1,561,170.62 - Step 6: Final answer
x = 635,969.18
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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.