Finding the Fourth Proportional to 2,749,239.21, 4,124,452.04 and 829,991.19
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Solution
The fourth proportional to 2,749,239.21, 4,124,452.04 and 829,991.19 is: 1,245,165.88
Step by Step Solution
- Step 1: Write the proportion equation
2,749,239.21 : 4,124,452.04 = 829,991.19 : x - Step 2: Convert to fraction form
2,749,239.21/4,124,452.04 = 829,991.19/x - Step 3: Cross multiply
2,749,239.21x = 4,124,452.04 × 829,991.19 - Step 4: Simplify right side
2,749,239.21x = 3,423,258,856,777.53 - Step 5: Solve for x
x = 3,423,258,856,777.53/2,749,239.21 - Step 6: Final answer
x = 1,245,165.88
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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.