Finding the Fourth Proportional to 1,765,704.50, 2,436,503.73 and 991,158.02
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Solution
The fourth proportional to 1,765,704.50, 2,436,503.73 and 991,158.02 is: 1,367,703.49
Step by Step Solution
- Step 1: Write the proportion equation
1,765,704.50 : 2,436,503.73 = 991,158.02 : x - Step 2: Convert to fraction form
1,765,704.50/2,436,503.73 = 991,158.02/x - Step 3: Cross multiply
1,765,704.50x = 2,436,503.73 × 991,158.02 - Step 4: Simplify right side
1,765,704.50x = 2,414,960,212,749.41 - Step 5: Solve for x
x = 2,414,960,212,749.41/1,765,704.50 - Step 6: Final answer
x = 1,367,703.49
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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.