Finding the Fourth Proportional to 5,523,130.12, 7,621,895.44 and 3,075,770.20
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Solution
The fourth proportional to 5,523,130.12, 7,621,895.44 and 3,075,770.20 is: 4,244,549.44
Step by Step Solution
- Step 1: Write the proportion equation
5,523,130.12 : 7,621,895.44 = 3,075,770.20 : x - Step 2: Convert to fraction form
5,523,130.12/7,621,895.44 = 3,075,770.20/x - Step 3: Cross multiply
5,523,130.12x = 7,621,895.44 × 3,075,770.20 - Step 4: Simplify right side
5,523,130.12x = 23,443,198,861,867.89 - Step 5: Solve for x
x = 23,443,198,861,867.89/5,523,130.12 - Step 6: Final answer
x = 4,244,549.44
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1.5x scale
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.