Finding the Fourth Proportional to 3,883,436.24, 5,824,219.96 and 1,187,784.99
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Solution
The fourth proportional to 3,883,436.24, 5,824,219.96 and 1,187,784.99 is: 1,781,391.69
Step by Step Solution
- Step 1: Write the proportion equation
3,883,436.24 : 5,824,219.96 = 1,187,784.99 : x - Step 2: Convert to fraction form
3,883,436.24/5,824,219.96 = 1,187,784.99/x - Step 3: Cross multiply
3,883,436.24x = 5,824,219.96 × 1,187,784.99 - Step 4: Simplify right side
3,883,436.24x = 6,917,921,043,976.94 - Step 5: Solve for x
x = 6,917,921,043,976.94/3,883,436.24 - Step 6: Final answer
x = 1,781,391.69
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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.