Finding the Fourth Proportional to 3,198,421.02, 4,413,701.16 and 1,748,104.68
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Solution
The fourth proportional to 3,198,421.02, 4,413,701.16 and 1,748,104.68 is: 2,412,318.96
Step by Step Solution
- Step 1: Write the proportion equation
3,198,421.02 : 4,413,701.16 = 1,748,104.68 : x - Step 2: Convert to fraction form
3,198,421.02/4,413,701.16 = 1,748,104.68/x - Step 3: Cross multiply
3,198,421.02x = 4,413,701.16 × 1,748,104.68 - Step 4: Simplify right side
3,198,421.02x = 7,715,611,653,917.43 - Step 5: Solve for x
x = 7,715,611,653,917.43/3,198,421.02 - Step 6: Final answer
x = 2,412,318.96
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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.