Finding the Fourth Proportional to 5,163,943.14, 7,125,375.69 and 2,871,797.22
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Solution
The fourth proportional to 5,163,943.14, 7,125,375.69 and 2,871,797.22 is: 3,962,598.65
Step by Step Solution
- Step 1: Write the proportion equation
5,163,943.14 : 7,125,375.69 = 2,871,797.22 : x - Step 2: Convert to fraction form
5,163,943.14/7,125,375.69 = 2,871,797.22/x - Step 3: Cross multiply
5,163,943.14x = 7,125,375.69 × 2,871,797.22 - Step 4: Simplify right side
5,163,943.14x = 20,462,634,097,997.59 - Step 5: Solve for x
x = 20,462,634,097,997.59/5,163,943.14 - Step 6: Final answer
x = 3,962,598.65
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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.