Finding the Fourth Proportional to 2,570,021.08, 3,546,629.11 and 1,424,101.42
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Solution
The fourth proportional to 2,570,021.08, 3,546,629.11 and 1,424,101.42 is: 1,965,259.97
Step by Step Solution
- Step 1: Write the proportion equation
2,570,021.08 : 3,546,629.11 = 1,424,101.42 : x - Step 2: Convert to fraction form
2,570,021.08/3,546,629.11 = 1,424,101.42/x - Step 3: Cross multiply
2,570,021.08x = 3,546,629.11 × 1,424,101.42 - Step 4: Simplify right side
2,570,021.08x = 5,050,759,557,977.75 - Step 5: Solve for x
x = 5,050,759,557,977.75/2,570,021.08 - Step 6: Final answer
x = 1,965,259.97
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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.