Finding the Fourth Proportional to 4,384,512.74, 6,045,121.62 and 3,353,285.54
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Solution
The fourth proportional to 4,384,512.74, 6,045,121.62 and 3,353,285.54 is: 4,623,323.07
Step by Step Solution
- Step 1: Write the proportion equation
4,384,512.74 : 6,045,121.62 = 3,353,285.54 : x - Step 2: Convert to fraction form
4,384,512.74/6,045,121.62 = 3,353,285.54/x - Step 3: Cross multiply
4,384,512.74x = 6,045,121.62 × 3,353,285.54 - Step 4: Simplify right side
4,384,512.74x = 20,271,018,915,887.38 - Step 5: Solve for x
x = 20,271,018,915,887.38/4,384,512.74 - Step 6: Final answer
x = 4,623,323.07
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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.