Finding the Fourth Proportional to 1,811,051.40, 2,716,577.10 and 1,674,193.80
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Solution
The fourth proportional to 1,811,051.40, 2,716,577.10 and 1,674,193.80 is: 2,511,290.70
Step by Step Solution
- Step 1: Write the proportion equation
1,811,051.40 : 2,716,577.10 = 1,674,193.80 : x - Step 2: Convert to fraction form
1,811,051.40/2,716,577.10 = 1,674,193.80/x - Step 3: Cross multiply
1,811,051.40x = 2,716,577.10 × 1,674,193.80 - Step 4: Simplify right side
1,811,051.40x = 4,548,076,538,041.98 - Step 5: Solve for x
x = 4,548,076,538,041.98/1,811,051.40 - Step 6: Final answer
x = 2,511,290.70
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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.