Finding the Fourth Proportional to 3,195,979.74, 4,410,425.84 and 1,745,676.09
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Solution
The fourth proportional to 3,195,979.74, 4,410,425.84 and 1,745,676.09 is: 2,409,018.69
Step by Step Solution
- Step 1: Write the proportion equation
3,195,979.74 : 4,410,425.84 = 1,745,676.09 : x - Step 2: Convert to fraction form
3,195,979.74/4,410,425.84 = 1,745,676.09/x - Step 3: Cross multiply
3,195,979.74x = 4,410,425.84 × 1,745,676.09 - Step 4: Simplify right side
3,195,979.74x = 7,699,174,926,877.79 - Step 5: Solve for x
x = 7,699,174,926,877.79/3,195,979.74 - Step 6: Final answer
x = 2,409,018.69
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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.