Finding the Fourth Proportional to 4,447,965.12, 6,138,503.84 and 2,514,241.56
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Solution
The fourth proportional to 4,447,965.12, 6,138,503.84 and 2,514,241.56 is: 3,469,829.70
Step by Step Solution
- Step 1: Write the proportion equation
4,447,965.12 : 6,138,503.84 = 2,514,241.56 : x - Step 2: Convert to fraction form
4,447,965.12/6,138,503.84 = 2,514,241.56/x - Step 3: Cross multiply
4,447,965.12x = 6,138,503.84 × 2,514,241.56 - Step 4: Simplify right side
4,447,965.12x = 15,433,681,470,747.59 - Step 5: Solve for x
x = 15,433,681,470,747.59/4,447,965.12 - Step 6: Final answer
x = 3,469,829.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.