Finding the Fourth Proportional to 7,321,099.17, 10,979,437.08 and 2,202,169.80
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Solution
The fourth proportional to 7,321,099.17, 10,979,437.08 and 2,202,169.80 is: 3,302,589.43
Step by Step Solution
- Step 1: Write the proportion equation
7,321,099.17 : 10,979,437.08 = 2,202,169.80 : x - Step 2: Convert to fraction form
7,321,099.17/10,979,437.08 = 2,202,169.80/x - Step 3: Cross multiply
7,321,099.17x = 10,979,437.08 × 2,202,169.80 - Step 4: Simplify right side
7,321,099.17x = 24,178,584,758,576.18 - Step 5: Solve for x
x = 24,178,584,758,576.18/7,321,099.17 - Step 6: Final answer
x = 3,302,589.43
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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.