Finding the Fourth Proportional to 5,385,114.40, 8,067,841.20 and 3,281,408.80
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Solution
The fourth proportional to 5,385,114.40, 8,067,841.20 and 3,281,408.80 is: 4,916,123.07
Step by Step Solution
- Step 1: Write the proportion equation
5,385,114.40 : 8,067,841.20 = 3,281,408.80 : x - Step 2: Convert to fraction form
5,385,114.40/8,067,841.20 = 3,281,408.80/x - Step 3: Cross multiply
5,385,114.40x = 8,067,841.20 × 3,281,408.80 - Step 4: Simplify right side
5,385,114.40x = 26,473,885,110,682.56 - Step 5: Solve for x
x = 26,473,885,110,682.56/5,385,114.40 - Step 6: Final answer
x = 4,916,123.07
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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.