Finding the Fourth Proportional to 4,029,720.35, 5,560,965.60 and 2,194,178.07
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Solution
The fourth proportional to 4,029,720.35, 5,560,965.60 and 2,194,178.07 is: 3,027,939.34
Step by Step Solution
- Step 1: Write the proportion equation
4,029,720.35 : 5,560,965.60 = 2,194,178.07 : x - Step 2: Convert to fraction form
4,029,720.35/5,560,965.60 = 2,194,178.07/x - Step 3: Cross multiply
4,029,720.35x = 5,560,965.60 × 2,194,178.07 - Step 4: Simplify right side
4,029,720.35x = 12,201,748,767,544.39 - Step 5: Solve for x
x = 12,201,748,767,544.39/4,029,720.35 - Step 6: Final answer
x = 3,027,939.34
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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.