Finding the Fourth Proportional to 4,373,256.40, 6,561,779.20 and 2,349,138.70
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Solution
The fourth proportional to 4,373,256.40, 6,561,779.20 and 2,349,138.70 is: 3,524,725.75
Step by Step Solution
- Step 1: Write the proportion equation
4,373,256.40 : 6,561,779.20 = 2,349,138.70 : x - Step 2: Convert to fraction form
4,373,256.40/6,561,779.20 = 2,349,138.70/x - Step 3: Cross multiply
4,373,256.40x = 6,561,779.20 × 2,349,138.70 - Step 4: Simplify right side
4,373,256.40x = 15,414,529,459,575.04 - Step 5: Solve for x
x = 15,414,529,459,575.04/4,373,256.40 - Step 6: Final answer
x = 3,524,725.75
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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.