Finding the Fourth Proportional to 1,617,805.37, 2,232,618.14 and 892,699.78
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Solution
The fourth proportional to 1,617,805.37, 2,232,618.14 and 892,699.78 is: 1,231,951.48
Step by Step Solution
- Step 1: Write the proportion equation
1,617,805.37 : 2,232,618.14 = 892,699.78 : x - Step 2: Convert to fraction form
1,617,805.37/2,232,618.14 = 892,699.78/x - Step 3: Cross multiply
1,617,805.37x = 2,232,618.14 × 892,699.78 - Step 4: Simplify right side
1,617,805.37x = 1,993,057,717,938.51 - Step 5: Solve for x
x = 1,993,057,717,938.51/1,617,805.37 - Step 6: Final answer
x = 1,231,951.48
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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.