Finding the Fourth Proportional to 1,819,843.08, 2,512,188.72 and 1,175,577.36
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Solution
The fourth proportional to 1,819,843.08, 2,512,188.72 and 1,175,577.36 is: 1,622,816.94
Step by Step Solution
- Step 1: Write the proportion equation
1,819,843.08 : 2,512,188.72 = 1,175,577.36 : x - Step 2: Convert to fraction form
1,819,843.08/2,512,188.72 = 1,175,577.36/x - Step 3: Cross multiply
1,819,843.08x = 2,512,188.72 × 1,175,577.36 - Step 4: Simplify right side
1,819,843.08x = 2,953,272,183,279.38 - Step 5: Solve for x
x = 2,953,272,183,279.38/1,819,843.08 - Step 6: Final answer
x = 1,622,816.94
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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.