Finding the Fourth Proportional to 2,674,988.70, 3,691,484.07 and 1,529,093.58
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Solution
The fourth proportional to 2,674,988.70, 3,691,484.07 and 1,529,093.58 is: 2,110,148.95
Step by Step Solution
- Step 1: Write the proportion equation
2,674,988.70 : 3,691,484.07 = 1,529,093.58 : x - Step 2: Convert to fraction form
2,674,988.70/3,691,484.07 = 1,529,093.58/x - Step 3: Cross multiply
2,674,988.70x = 3,691,484.07 × 1,529,093.58 - Step 4: Simplify right side
2,674,988.70x = 5,644,624,592,109.27 - Step 5: Solve for x
x = 5,644,624,592,109.27/2,674,988.70 - Step 6: Final answer
x = 2,110,148.95
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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.