Finding the Fourth Proportional to 7,197,619.43, 10,796,429.18 and 2,405,308.70
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Solution
The fourth proportional to 7,197,619.43, 10,796,429.18 and 2,405,308.70 is: 3,607,963.07
Step by Step Solution
- Step 1: Write the proportion equation
7,197,619.43 : 10,796,429.18 = 2,405,308.70 : x - Step 2: Convert to fraction form
7,197,619.43/10,796,429.18 = 2,405,308.70/x - Step 3: Cross multiply
7,197,619.43x = 10,796,429.18 × 2,405,308.70 - Step 4: Simplify right side
7,197,619.43x = 25,968,745,068,592.21 - Step 5: Solve for x
x = 25,968,745,068,592.21/7,197,619.43 - Step 6: Final answer
x = 3,607,963.07
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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.