Finding the Fourth Proportional to 4,811,886.58, 6,640,149.68 and 2,746,820.14
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Solution
The fourth proportional to 4,811,886.58, 6,640,149.68 and 2,746,820.14 is: 3,790,466.91
Step by Step Solution
- Step 1: Write the proportion equation
4,811,886.58 : 6,640,149.68 = 2,746,820.14 : x - Step 2: Convert to fraction form
4,811,886.58/6,640,149.68 = 2,746,820.14/x - Step 3: Cross multiply
4,811,886.58x = 6,640,149.68 × 2,746,820.14 - Step 4: Simplify right side
4,811,886.58x = 18,239,296,873,638.55 - Step 5: Solve for x
x = 18,239,296,873,638.55/4,811,886.58 - Step 6: Final answer
x = 3,790,466.91
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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.