Finding the Fourth Proportional to 1,617,575.70, 2,232,239.01 and 892,429.26
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Solution
The fourth proportional to 1,617,575.70, 2,232,239.01 and 892,429.26 is: 1,231,543.85
Step by Step Solution
- Step 1: Write the proportion equation
1,617,575.70 : 2,232,239.01 = 892,429.26 : x - Step 2: Convert to fraction form
1,617,575.70/2,232,239.01 = 892,429.26/x - Step 3: Cross multiply
1,617,575.70x = 2,232,239.01 × 892,429.26 - Step 4: Simplify right side
1,617,575.70x = 1,992,115,407,837.43 - Step 5: Solve for x
x = 1,992,115,407,837.43/1,617,575.70 - Step 6: Final answer
x = 1,231,543.85
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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.