Finding the Fourth Proportional to 4,986,695.06, 6,881,342.52 and 2,893,375.85
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Solution
The fourth proportional to 4,986,695.06, 6,881,342.52 and 2,893,375.85 is: 3,992,686.55
Step by Step Solution
- Step 1: Write the proportion equation
4,986,695.06 : 6,881,342.52 = 2,893,375.85 : x - Step 2: Convert to fraction form
4,986,695.06/6,881,342.52 = 2,893,375.85/x - Step 3: Cross multiply
4,986,695.06x = 6,881,342.52 × 2,893,375.85 - Step 4: Simplify right side
4,986,695.06x = 19,910,310,280,149.50 - Step 5: Solve for x
x = 19,910,310,280,149.50/4,986,695.06 - Step 6: Final answer
x = 3,992,686.55
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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.