Finding the Fourth Proportional to 3,192,358.13, 4,405,547.25 and 1,742,146.97
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Solution
The fourth proportional to 3,192,358.13, 4,405,547.25 and 1,742,146.97 is: 2,404,213.59
Step by Step Solution
- Step 1: Write the proportion equation
3,192,358.13 : 4,405,547.25 = 1,742,146.97 : x - Step 2: Convert to fraction form
3,192,358.13/4,405,547.25 = 1,742,146.97/x - Step 3: Cross multiply
3,192,358.13x = 4,405,547.25 × 1,742,146.97 - Step 4: Simplify right side
3,192,358.13x = 7,675,110,798,286.27 - Step 5: Solve for x
x = 7,675,110,798,286.27/3,192,358.13 - Step 6: Final answer
x = 2,404,213.59
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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.