Finding the Fourth Proportional to 5,395,628.80, 8,093,443.20 and 4,191,029.20
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Solution
The fourth proportional to 5,395,628.80, 8,093,443.20 and 4,191,029.20 is: 6,286,543.80
Step by Step Solution
- Step 1: Write the proportion equation
5,395,628.80 : 8,093,443.20 = 4,191,029.20 : x - Step 2: Convert to fraction form
5,395,628.80/8,093,443.20 = 4,191,029.20/x - Step 3: Cross multiply
5,395,628.80x = 8,093,443.20 × 4,191,029.20 - Step 4: Simplify right side
5,395,628.80x = 33,919,856,779,741.44 - Step 5: Solve for x
x = 33,919,856,779,741.44/5,395,628.80 - Step 6: Final answer
x = 6,286,543.80
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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.