Finding the Fourth Proportional to 3,666,288.80, 5,058,333.84 and 2,117,351.84
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Solution
The fourth proportional to 3,666,288.80, 5,058,333.84 and 2,117,351.84 is: 2,921,284.45
Step by Step Solution
- Step 1: Write the proportion equation
3,666,288.80 : 5,058,333.84 = 2,117,351.84 : x - Step 2: Convert to fraction form
3,666,288.80/5,058,333.84 = 2,117,351.84/x - Step 3: Cross multiply
3,666,288.80x = 5,058,333.84 × 2,117,351.84 - Step 4: Simplify right side
3,666,288.80x = 10,710,272,463,458.26 - Step 5: Solve for x
x = 10,710,272,463,458.26/3,666,288.80 - Step 6: Final answer
x = 2,921,284.45
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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.