Finding the Fourth Proportional to 5,305,786.84, 7,955,690.64 and 1,845,939.84
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Solution
The fourth proportional to 5,305,786.84, 7,955,690.64 and 1,845,939.84 is: 2,767,869.64
Step by Step Solution
- Step 1: Write the proportion equation
5,305,786.84 : 7,955,690.64 = 1,845,939.84 : x - Step 2: Convert to fraction form
5,305,786.84/7,955,690.64 = 1,845,939.84/x - Step 3: Cross multiply
5,305,786.84x = 7,955,690.64 × 1,845,939.84 - Step 4: Simplify right side
5,305,786.84x = 14,685,726,307,091.10 - Step 5: Solve for x
x = 14,685,726,307,091.10/5,305,786.84 - Step 6: Final answer
x = 2,767,869.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.