Finding the Fourth Proportional to 1,852,548.40, 2,556,461.87 and 1,025,658.80
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Solution
The fourth proportional to 1,852,548.40, 2,556,461.87 and 1,025,658.80 is: 1,415,378.73
Step by Step Solution
- Step 1: Write the proportion equation
1,852,548.40 : 2,556,461.87 = 1,025,658.80 : x - Step 2: Convert to fraction form
1,852,548.40/2,556,461.87 = 1,025,658.80/x - Step 3: Cross multiply
1,852,548.40x = 2,556,461.87 × 1,025,658.80 - Step 4: Simplify right side
1,852,548.40x = 2,622,057,609,352.31 - Step 5: Solve for x
x = 2,622,057,609,352.31/1,852,548.40 - Step 6: Final answer
x = 1,415,378.73
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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.