Finding the Fourth Proportional to 1,411,126.25, 2,106,025.59 and 1,274,923.99
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Solution
The fourth proportional to 1,411,126.25, 2,106,025.59 and 1,274,923.99 is: 1,902,751.47
Step by Step Solution
- Step 1: Write the proportion equation
1,411,126.25 : 2,106,025.59 = 1,274,923.99 : x - Step 2: Convert to fraction form
1,411,126.25/2,106,025.59 = 1,274,923.99/x - Step 3: Cross multiply
1,411,126.25x = 2,106,025.59 × 1,274,923.99 - Step 4: Simplify right side
1,411,126.25x = 2,685,022,548,244.90 - Step 5: Solve for x
x = 2,685,022,548,244.90/1,411,126.25 - Step 6: Final answer
x = 1,902,751.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.