Finding the Fourth Proportional to 2,106,015.40, 3,149,807.10 and 1,882,988.20
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Solution
The fourth proportional to 2,106,015.40, 3,149,807.10 and 1,882,988.20 is: 2,816,242.28
Step by Step Solution
- Step 1: Write the proportion equation
2,106,015.40 : 3,149,807.10 = 1,882,988.20 : x - Step 2: Convert to fraction form
2,106,015.40/3,149,807.10 = 1,882,988.20/x - Step 3: Cross multiply
2,106,015.40x = 3,149,807.10 × 1,882,988.20 - Step 4: Simplify right side
2,106,015.40x = 5,931,049,601,576.22 - Step 5: Solve for x
x = 5,931,049,601,576.22/2,106,015.40 - Step 6: Final answer
x = 2,816,242.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.