Finding the Fourth Proportional to 1,625,431.92, 2,243,119.77 and 937,091.94
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Solution
The fourth proportional to 1,625,431.92, 2,243,119.77 and 937,091.94 is: 1,293,200.55
Step by Step Solution
- Step 1: Write the proportion equation
1,625,431.92 : 2,243,119.77 = 937,091.94 : x - Step 2: Convert to fraction form
1,625,431.92/2,243,119.77 = 937,091.94/x - Step 3: Cross multiply
1,625,431.92x = 2,243,119.77 × 937,091.94 - Step 4: Simplify right side
1,625,431.92x = 2,102,009,456,921.65 - Step 5: Solve for x
x = 2,102,009,456,921.65/1,625,431.92 - Step 6: Final answer
x = 1,293,200.55
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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.