Finding the Fourth Proportional to 4,916,705.70, 7,375,058.55 and 4,438,408.80
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Solution
The fourth proportional to 4,916,705.70, 7,375,058.55 and 4,438,408.80 is: 6,657,613.20
Step by Step Solution
- Step 1: Write the proportion equation
4,916,705.70 : 7,375,058.55 = 4,438,408.80 : x - Step 2: Convert to fraction form
4,916,705.70/7,375,058.55 = 4,438,408.80/x - Step 3: Cross multiply
4,916,705.70x = 7,375,058.55 × 4,438,408.80 - Step 4: Simplify right side
4,916,705.70x = 32,733,524,768,835.24 - Step 5: Solve for x
x = 32,733,524,768,835.24/4,916,705.70 - Step 6: Final answer
x = 6,657,613.20
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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.