Finding the Fourth Proportional to 4,748,009.90, 6,548,638.26 and 4,086,846.94
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Solution
The fourth proportional to 4,748,009.90, 6,548,638.26 and 4,086,846.94 is: 5,636,736.82
Step by Step Solution
- Step 1: Write the proportion equation
4,748,009.90 : 6,548,638.26 = 4,086,846.94 : x - Step 2: Convert to fraction form
4,748,009.90/6,548,638.26 = 4,086,846.94/x - Step 3: Cross multiply
4,748,009.90x = 6,548,638.26 × 4,086,846.94 - Step 4: Simplify right side
4,748,009.90x = 26,763,282,234,047.92 - Step 5: Solve for x
x = 26,763,282,234,047.92/4,748,009.90 - Step 6: Final answer
x = 5,636,736.82
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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.