Finding the Fourth Proportional to 3,921,858.13, 5,883,126.07 and 1,081,970.29
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Solution
The fourth proportional to 3,921,858.13, 5,883,126.07 and 1,081,970.29 is: 1,623,048.92
Step by Step Solution
- Step 1: Write the proportion equation
3,921,858.13 : 5,883,126.07 = 1,081,970.29 : x - Step 2: Convert to fraction form
3,921,858.13/5,883,126.07 = 1,081,970.29/x - Step 3: Cross multiply
3,921,858.13x = 5,883,126.07 × 1,081,970.29 - Step 4: Simplify right side
3,921,858.13x = 6,365,367,620,064.46 - Step 5: Solve for x
x = 6,365,367,620,064.46/3,921,858.13 - Step 6: Final answer
x = 1,623,048.92
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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.