Finding the Fourth Proportional to 3,615,421.46, 5,423,163.97 and 919,749.53
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Solution
The fourth proportional to 3,615,421.46, 5,423,163.97 and 919,749.53 is: 1,379,632.37
Step by Step Solution
- Step 1: Write the proportion equation
3,615,421.46 : 5,423,163.97 = 919,749.53 : x - Step 2: Convert to fraction form
3,615,421.46/5,423,163.97 = 919,749.53/x - Step 3: Cross multiply
3,615,421.46x = 5,423,163.97 × 919,749.53 - Step 4: Simplify right side
3,615,421.46x = 4,987,952,485,404.61 - Step 5: Solve for x
x = 4,987,952,485,404.61/3,615,421.46 - Step 6: Final answer
x = 1,379,632.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.