Finding the Fourth Proportional to 7,204,388.48, 9,942,134.52 and 3,941,133.12
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Solution
The fourth proportional to 7,204,388.48, 9,942,134.52 and 3,941,133.12 is: 5,438,806.61
Step by Step Solution
- Step 1: Write the proportion equation
7,204,388.48 : 9,942,134.52 = 3,941,133.12 : x - Step 2: Convert to fraction form
7,204,388.48/9,942,134.52 = 3,941,133.12/x - Step 3: Cross multiply
7,204,388.48x = 9,942,134.52 × 3,941,133.12 - Step 4: Simplify right side
7,204,388.48x = 39,183,275,640,267.30 - Step 5: Solve for x
x = 39,183,275,640,267.30/7,204,388.48 - Step 6: Final answer
x = 5,438,806.61
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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.