Finding the Fourth Proportional to 3,370,262.14, 4,650,992.70 and 1,919,936.08
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Solution
The fourth proportional to 3,370,262.14, 4,650,992.70 and 1,919,936.08 is: 2,649,529.42
Step by Step Solution
- Step 1: Write the proportion equation
3,370,262.14 : 4,650,992.70 = 1,919,936.08 : x - Step 2: Convert to fraction form
3,370,262.14/4,650,992.70 = 1,919,936.08/x - Step 3: Cross multiply
3,370,262.14x = 4,650,992.70 × 1,919,936.08 - Step 4: Simplify right side
3,370,262.14x = 8,929,608,692,546.62 - Step 5: Solve for x
x = 8,929,608,692,546.62/3,370,262.14 - Step 6: Final answer
x = 2,649,529.42
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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.