Finding the Fourth Proportional to 4,086,649.14, 6,129,972.09 and 1,897,996.74
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Solution
The fourth proportional to 4,086,649.14, 6,129,972.09 and 1,897,996.74 is: 2,846,994.36
Step by Step Solution
- Step 1: Write the proportion equation
4,086,649.14 : 6,129,972.09 = 1,897,996.74 : x - Step 2: Convert to fraction form
4,086,649.14/6,129,972.09 = 1,897,996.74/x - Step 3: Cross multiply
4,086,649.14x = 6,129,972.09 × 1,897,996.74 - Step 4: Simplify right side
4,086,649.14x = 11,634,667,043,110.99 - Step 5: Solve for x
x = 11,634,667,043,110.99/4,086,649.14 - Step 6: Final answer
x = 2,846,994.36
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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.