Finding the Fourth Proportional to 2,576,577.91, 3,557,057.95 and 1,986,588.76
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Solution
The fourth proportional to 2,576,577.91, 3,557,057.95 and 1,986,588.76 is: 2,742,556.82
Step by Step Solution
- Step 1: Write the proportion equation
2,576,577.91 : 3,557,057.95 = 1,986,588.76 : x - Step 2: Convert to fraction form
2,576,577.91/3,557,057.95 = 1,986,588.76/x - Step 3: Cross multiply
2,576,577.91x = 3,557,057.95 × 1,986,588.76 - Step 4: Simplify right side
2,576,577.91x = 7,066,411,314,420.41 - Step 5: Solve for x
x = 7,066,411,314,420.41/2,576,577.91 - Step 6: Final answer
x = 2,742,556.82
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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.