Finding the Fourth Proportional to 6,398,440.92, 8,829,855.90 and 3,682,189.08
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Solution
The fourth proportional to 6,398,440.92, 8,829,855.90 and 3,682,189.08 is: 5,081,425.21
Step by Step Solution
- Step 1: Write the proportion equation
6,398,440.92 : 8,829,855.90 = 3,682,189.08 : x - Step 2: Convert to fraction form
6,398,440.92/8,829,855.90 = 3,682,189.08/x - Step 3: Cross multiply
6,398,440.92x = 8,829,855.90 × 3,682,189.08 - Step 4: Simplify right side
6,398,440.92x = 32,513,198,972,953.57 - Step 5: Solve for x
x = 32,513,198,972,953.57/6,398,440.92 - Step 6: Final answer
x = 5,081,425.21
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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.