Finding the Fourth Proportional to 3,133,888.26, 4,323,427.35 and 2,165,337.05
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Solution
The fourth proportional to 3,133,888.26, 4,323,427.35 and 2,165,337.05 is: 2,987,240.33
Step by Step Solution
- Step 1: Write the proportion equation
3,133,888.26 : 4,323,427.35 = 2,165,337.05 : x - Step 2: Convert to fraction form
3,133,888.26/4,323,427.35 = 2,165,337.05/x - Step 3: Cross multiply
3,133,888.26x = 4,323,427.35 × 2,165,337.05 - Step 4: Simplify right side
3,133,888.26x = 9,361,677,402,321.18 - Step 5: Solve for x
x = 9,361,677,402,321.18/3,133,888.26 - Step 6: Final answer
x = 2,987,240.33
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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.