Finding the Fourth Proportional to 2,749,232.40, 4,120,349.40 and 2,448,301.20
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Solution
The fourth proportional to 2,749,232.40, 4,120,349.40 and 2,448,301.20 is: 3,669,335.62
Step by Step Solution
- Step 1: Write the proportion equation
2,749,232.40 : 4,120,349.40 = 2,448,301.20 : x - Step 2: Convert to fraction form
2,749,232.40/4,120,349.40 = 2,448,301.20/x - Step 3: Cross multiply
2,749,232.40x = 4,120,349.40 × 2,448,301.20 - Step 4: Simplify right side
2,749,232.40x = 10,087,856,380,439.28 - Step 5: Solve for x
x = 10,087,856,380,439.28/2,749,232.40 - Step 6: Final answer
x = 3,669,335.62
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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.