Finding the Fourth Proportional to 5,855,979.69, 8,081,168.31 and 3,242,233.08
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Solution
The fourth proportional to 5,855,979.69, 8,081,168.31 and 3,242,233.08 is: 4,474,235.33
Step by Step Solution
- Step 1: Write the proportion equation
5,855,979.69 : 8,081,168.31 = 3,242,233.08 : x - Step 2: Convert to fraction form
5,855,979.69/8,081,168.31 = 3,242,233.08/x - Step 3: Cross multiply
5,855,979.69x = 8,081,168.31 × 3,242,233.08 - Step 4: Simplify right side
5,855,979.69x = 26,201,031,219,729.70 - Step 5: Solve for x
x = 26,201,031,219,729.70/5,855,979.69 - Step 6: Final answer
x = 4,474,235.33
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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.