Finding the Fourth Proportional to 6,314,543.80, 8,714,091.51 and 3,413,955.26
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Solution
The fourth proportional to 6,314,543.80, 8,714,091.51 and 3,413,955.26 is: 4,711,269.65
Step by Step Solution
- Step 1: Write the proportion equation
6,314,543.80 : 8,714,091.51 = 3,413,955.26 : x - Step 2: Convert to fraction form
6,314,543.80/8,714,091.51 = 3,413,955.26/x - Step 3: Cross multiply
6,314,543.80x = 8,714,091.51 × 3,413,955.26 - Step 4: Simplify right side
6,314,543.80x = 29,749,518,568,471.07 - Step 5: Solve for x
x = 29,749,518,568,471.07/6,314,543.80 - Step 6: Final answer
x = 4,711,269.65
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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.