Finding the Fourth Proportional to 4,914,398.16, 6,784,545.96 and 3,394,682.64
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Solution
The fourth proportional to 4,914,398.16, 6,784,545.96 and 3,394,682.64 is: 4,686,510.87
Step by Step Solution
- Step 1: Write the proportion equation
4,914,398.16 : 6,784,545.96 = 3,394,682.64 : x - Step 2: Convert to fraction form
4,914,398.16/6,784,545.96 = 3,394,682.64/x - Step 3: Cross multiply
4,914,398.16x = 6,784,545.96 × 3,394,682.64 - Step 4: Simplify right side
4,914,398.16x = 23,031,380,390,694.14 - Step 5: Solve for x
x = 23,031,380,390,694.14/4,914,398.16 - Step 6: Final answer
x = 4,686,510.87
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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.