Finding the Fourth Proportional to 5,114,620.18, 7,058,075.70 and 2,791,529.38
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Solution
The fourth proportional to 5,114,620.18, 7,058,075.70 and 2,791,529.38 is: 3,852,255.88
Step by Step Solution
- Step 1: Write the proportion equation
5,114,620.18 : 7,058,075.70 = 2,791,529.38 : x - Step 2: Convert to fraction form
5,114,620.18/7,058,075.70 = 2,791,529.38/x - Step 3: Cross multiply
5,114,620.18x = 7,058,075.70 × 2,791,529.38 - Step 4: Simplify right side
5,114,620.18x = 19,702,825,682,814.07 - Step 5: Solve for x
x = 19,702,825,682,814.07/5,114,620.18 - Step 6: Final answer
x = 3,852,255.88
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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.