Finding the Fourth Proportional to 3,185,541.29, 4,395,905.17 and 1,861,087.79
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Solution
The fourth proportional to 3,185,541.29, 4,395,905.17 and 1,861,087.79 is: 2,568,218.30
Step by Step Solution
- Step 1: Write the proportion equation
3,185,541.29 : 4,395,905.17 = 1,861,087.79 : x - Step 2: Convert to fraction form
3,185,541.29/4,395,905.17 = 1,861,087.79/x - Step 3: Cross multiply
3,185,541.29x = 4,395,905.17 × 1,861,087.79 - Step 4: Simplify right side
3,185,541.29x = 8,181,165,444,221.92 - Step 5: Solve for x
x = 8,181,165,444,221.92/3,185,541.29 - Step 6: Final answer
x = 2,568,218.30
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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.