Finding the Fourth Proportional to 5,898,818.40, 8,136,023.16 and 4,448,574.96
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Solution
The fourth proportional to 5,898,818.40, 8,136,023.16 and 4,448,574.96 is: 6,135,755.75
Step by Step Solution
- Step 1: Write the proportion equation
5,898,818.40 : 8,136,023.16 = 4,448,574.96 : x - Step 2: Convert to fraction form
5,898,818.40/8,136,023.16 = 4,448,574.96/x - Step 3: Cross multiply
5,898,818.40x = 8,136,023.16 × 4,448,574.96 - Step 4: Simplify right side
5,898,818.40x = 36,193,708,903,556.07 - Step 5: Solve for x
x = 36,193,708,903,556.07/5,898,818.40 - Step 6: Final answer
x = 6,135,755.75
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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.