Finding the Fourth Proportional to 3,165,070.62, 4,367,801.80 and 1,714,766.14
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Solution
The fourth proportional to 3,165,070.62, 4,367,801.80 and 1,714,766.14 is: 2,366,379.63
Step by Step Solution
- Step 1: Write the proportion equation
3,165,070.62 : 4,367,801.80 = 1,714,766.14 : x - Step 2: Convert to fraction form
3,165,070.62/4,367,801.80 = 1,714,766.14/x - Step 3: Cross multiply
3,165,070.62x = 4,367,801.80 × 1,714,766.14 - Step 4: Simplify right side
3,165,070.62x = 7,489,758,632,871.05 - Step 5: Solve for x
x = 7,489,758,632,871.05/3,165,070.62 - Step 6: Final answer
x = 2,366,379.63
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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.