Finding the Fourth Proportional to 3,826,402.13, 5,280,534.99 and 2,084,137.59
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Solution
The fourth proportional to 3,826,402.13, 5,280,534.99 and 2,084,137.59 is: 2,876,164.37
Step by Step Solution
- Step 1: Write the proportion equation
3,826,402.13 : 5,280,534.99 = 2,084,137.59 : x - Step 2: Convert to fraction form
3,826,402.13/5,280,534.99 = 2,084,137.59/x - Step 3: Cross multiply
3,826,402.13x = 5,280,534.99 × 2,084,137.59 - Step 4: Simplify right side
3,826,402.13x = 11,005,361,487,771.28 - Step 5: Solve for x
x = 11,005,361,487,771.28/3,826,402.13 - Step 6: Final answer
x = 2,876,164.37
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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.