Finding the Fourth Proportional to 5,673,538.56, 7,828,707.84 and 3,259,089.92
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Solution
The fourth proportional to 5,673,538.56, 7,828,707.84 and 3,259,089.92 is: 4,497,098.69
Step by Step Solution
- Step 1: Write the proportion equation
5,673,538.56 : 7,828,707.84 = 3,259,089.92 : x - Step 2: Convert to fraction form
5,673,538.56/7,828,707.84 = 3,259,089.92/x - Step 3: Cross multiply
5,673,538.56x = 7,828,707.84 × 3,259,089.92 - Step 4: Simplify right side
5,673,538.56x = 25,514,462,807,968.97 - Step 5: Solve for x
x = 25,514,462,807,968.97/5,673,538.56 - Step 6: Final answer
x = 4,497,098.69
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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.