Finding the Fourth Proportional to 5,479,851.42, 7,562,318.34 and 3,549,471.95
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Solution
The fourth proportional to 5,479,851.42, 7,562,318.34 and 3,549,471.95 is: 4,898,351.20
Step by Step Solution
- Step 1: Write the proportion equation
5,479,851.42 : 7,562,318.34 = 3,549,471.95 : x - Step 2: Convert to fraction form
5,479,851.42/7,562,318.34 = 3,549,471.95/x - Step 3: Cross multiply
5,479,851.42x = 7,562,318.34 × 3,549,471.95 - Step 4: Simplify right side
5,479,851.42x = 26,842,236,786,988.97 - Step 5: Solve for x
x = 26,842,236,786,988.97/5,479,851.42 - Step 6: Final answer
x = 4,898,351.20
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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.