Finding the Fourth Proportional to 2,703,838.12, 3,727,321.32 and 2,058,133.66
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Solution
The fourth proportional to 2,703,838.12, 3,727,321.32 and 2,058,133.66 is: 2,837,198.50
Step by Step Solution
- Step 1: Write the proportion equation
2,703,838.12 : 3,727,321.32 = 2,058,133.66 : x - Step 2: Convert to fraction form
2,703,838.12/3,727,321.32 = 2,058,133.66/x - Step 3: Cross multiply
2,703,838.12x = 3,727,321.32 × 2,058,133.66 - Step 4: Simplify right side
2,703,838.12x = 7,671,325,470,327.63 - Step 5: Solve for x
x = 7,671,325,470,327.63/2,703,838.12 - Step 6: Final answer
x = 2,837,198.50
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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.