Finding the Fourth Proportional to 2,372,907.08, 3,271,987.86 and 1,512,103.88
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Solution
The fourth proportional to 2,372,907.08, 3,271,987.86 and 1,512,103.88 is: 2,085,031.30
Step by Step Solution
- Step 1: Write the proportion equation
2,372,907.08 : 3,271,987.86 = 1,512,103.88 : x - Step 2: Convert to fraction form
2,372,907.08/3,271,987.86 = 1,512,103.88/x - Step 3: Cross multiply
2,372,907.08x = 3,271,987.86 × 1,512,103.88 - Step 4: Simplify right side
2,372,907.08x = 4,947,585,538,418.90 - Step 5: Solve for x
x = 4,947,585,538,418.90/2,372,907.08 - Step 6: Final answer
x = 2,085,031.30
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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.