Finding the Fourth Proportional to 1,852,642.84, 2,556,915.63 and 1,067,556.01
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Solution
The fourth proportional to 1,852,642.84, 2,556,915.63 and 1,067,556.01 is: 1,473,382.02
Step by Step Solution
- Step 1: Write the proportion equation
1,852,642.84 : 2,556,915.63 = 1,067,556.01 : x - Step 2: Convert to fraction form
1,852,642.84/2,556,915.63 = 1,067,556.01/x - Step 3: Cross multiply
1,852,642.84x = 2,556,915.63 × 1,067,556.01 - Step 4: Simplify right side
1,852,642.84x = 2,729,650,647,869.44 - Step 5: Solve for x
x = 2,729,650,647,869.44/1,852,642.84 - Step 6: Final answer
x = 1,473,382.02
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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.