Finding the Fourth Proportional to 2,576,578.02, 3,557,058.11 and 1,986,588.87
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Solution
The fourth proportional to 2,576,578.02, 3,557,058.11 and 1,986,588.87 is: 2,742,556.99
Step by Step Solution
- Step 1: Write the proportion equation
2,576,578.02 : 3,557,058.11 = 1,986,588.87 : x - Step 2: Convert to fraction form
2,576,578.02/3,557,058.11 = 1,986,588.87/x - Step 3: Cross multiply
2,576,578.02x = 3,557,058.11 × 1,986,588.87 - Step 4: Simplify right side
2,576,578.02x = 7,066,412,041,336.29 - Step 5: Solve for x
x = 7,066,412,041,336.29/2,576,578.02 - Step 6: Final answer
x = 2,742,556.99
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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.