Finding the Fourth Proportional to 3,703,959.32, 5,111,661.80 and 2,072,268.99
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Solution
The fourth proportional to 3,703,959.32, 5,111,661.80 and 2,072,268.99 is: 2,859,841.95
Step by Step Solution
- Step 1: Write the proportion equation
3,703,959.32 : 5,111,661.80 = 2,072,268.99 : x - Step 2: Convert to fraction form
3,703,959.32/5,111,661.80 = 2,072,268.99/x - Step 3: Cross multiply
3,703,959.32x = 5,111,661.80 × 2,072,268.99 - Step 4: Simplify right side
3,703,959.32x = 10,592,738,240,688.26 - Step 5: Solve for x
x = 10,592,738,240,688.26/3,703,959.32 - Step 6: Final answer
x = 2,859,841.95
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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.