Finding the Fourth Proportional to 5,685,021.08, 7,846,129.20 and 3,619,376.79
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Solution
The fourth proportional to 5,685,021.08, 7,846,129.20 and 3,619,376.79 is: 4,995,249.37
Step by Step Solution
- Step 1: Write the proportion equation
5,685,021.08 : 7,846,129.20 = 3,619,376.79 : x - Step 2: Convert to fraction form
5,685,021.08/7,846,129.20 = 3,619,376.79/x - Step 3: Cross multiply
5,685,021.08x = 7,846,129.20 × 3,619,376.79 - Step 4: Simplify right side
5,685,021.08x = 28,398,097,917,821.27 - Step 5: Solve for x
x = 28,398,097,917,821.27/5,685,021.08 - Step 6: Final answer
x = 4,995,249.37
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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.