Finding the Fourth Proportional to 5,479,536.07, 7,562,561.97 and 3,155,981.95
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Solution
The fourth proportional to 5,479,536.07, 7,562,561.97 and 3,155,981.95 is: 4,355,717.12
Step by Step Solution
- Step 1: Write the proportion equation
5,479,536.07 : 7,562,561.97 = 3,155,981.95 : x - Step 2: Convert to fraction form
5,479,536.07/7,562,561.97 = 3,155,981.95/x - Step 3: Cross multiply
5,479,536.07x = 7,562,561.97 × 3,155,981.95 - Step 4: Simplify right side
5,479,536.07x = 23,867,309,073,076.44 - Step 5: Solve for x
x = 23,867,309,073,076.44/5,479,536.07 - Step 6: Final answer
x = 4,355,717.12
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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.