Finding the Fourth Proportional to 7,748,212.65, 11,622,318.91 and 2,824,613.61
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Solution
The fourth proportional to 7,748,212.65, 11,622,318.91 and 2,824,613.61 is: 4,236,920.39
Step by Step Solution
- Step 1: Write the proportion equation
7,748,212.65 : 11,622,318.91 = 2,824,613.61 : x - Step 2: Convert to fraction form
7,748,212.65/11,622,318.91 = 2,824,613.61/x - Step 3: Cross multiply
7,748,212.65x = 11,622,318.91 × 2,824,613.61 - Step 4: Simplify right side
7,748,212.65x = 32,828,560,107,773.24 - Step 5: Solve for x
x = 32,828,560,107,773.24/7,748,212.65 - Step 6: Final answer
x = 4,236,920.39
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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.