Finding the Fourth Proportional to 6,471,805.05, 9,711,416.70 and 2,632,918.95
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Solution
The fourth proportional to 6,471,805.05, 9,711,416.70 and 2,632,918.95 is: 3,950,887.41
Step by Step Solution
- Step 1: Write the proportion equation
6,471,805.05 : 9,711,416.70 = 2,632,918.95 : x - Step 2: Convert to fraction form
6,471,805.05/9,711,416.70 = 2,632,918.95/x - Step 3: Cross multiply
6,471,805.05x = 9,711,416.70 × 2,632,918.95 - Step 4: Simplify right side
6,471,805.05x = 25,569,373,060,776.46 - Step 5: Solve for x
x = 25,569,373,060,776.46/6,471,805.05 - Step 6: Final answer
x = 3,950,887.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.