Finding the Fourth Proportional to 7,040,451.24, 9,714,157.47 and 3,984,665.49
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Solution
The fourth proportional to 7,040,451.24, 9,714,157.47 and 3,984,665.49 is: 5,497,895.90
Step by Step Solution
- Step 1: Write the proportion equation
7,040,451.24 : 9,714,157.47 = 3,984,665.49 : x - Step 2: Convert to fraction form
7,040,451.24/9,714,157.47 = 3,984,665.49/x - Step 3: Cross multiply
7,040,451.24x = 9,714,157.47 × 3,984,665.49 - Step 4: Simplify right side
7,040,451.24x = 38,707,668,035,134.72 - Step 5: Solve for x
x = 38,707,668,035,134.72/7,040,451.24 - Step 6: Final answer
x = 5,497,895.90
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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.