Finding the Fourth Proportional to 5,134,914.66, 7,086,403.62 and 2,843,075.35
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Solution
The fourth proportional to 5,134,914.66, 7,086,403.62 and 2,843,075.35 is: 3,923,566.55
Step by Step Solution
- Step 1: Write the proportion equation
5,134,914.66 : 7,086,403.62 = 2,843,075.35 : x - Step 2: Convert to fraction form
5,134,914.66/7,086,403.62 = 2,843,075.35/x - Step 3: Cross multiply
5,134,914.66x = 7,086,403.62 × 2,843,075.35 - Step 4: Simplify right side
5,134,914.66x = 20,147,179,402,525.38 - Step 5: Solve for x
x = 20,147,179,402,525.38/5,134,914.66 - Step 6: Final answer
x = 3,923,566.55
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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.