Finding the Fourth Proportional to 1,561,169.62, 2,341,910.16 and 423,950.26
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Solution
The fourth proportional to 1,561,169.62, 2,341,910.16 and 423,950.26 is: 635,967.68
Step by Step Solution
- Step 1: Write the proportion equation
1,561,169.62 : 2,341,910.16 = 423,950.26 : x - Step 2: Convert to fraction form
1,561,169.62/2,341,910.16 = 423,950.26/x - Step 3: Cross multiply
1,561,169.62x = 2,341,910.16 × 423,950.26 - Step 4: Simplify right side
1,561,169.62x = 992,853,421,228.64 - Step 5: Solve for x
x = 992,853,421,228.64/1,561,169.62 - Step 6: Final answer
x = 635,967.68
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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.