Finding the Fourth Proportional to 2,728,271.72, 3,765,741.11 and 1,611,638.75
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Solution
The fourth proportional to 2,728,271.72, 3,765,741.11 and 1,611,638.75 is: 2,224,490.42
Step by Step Solution
- Step 1: Write the proportion equation
2,728,271.72 : 3,765,741.11 = 1,611,638.75 : x - Step 2: Convert to fraction form
2,728,271.72/3,765,741.11 = 1,611,638.75/x - Step 3: Cross multiply
2,728,271.72x = 3,765,741.11 × 1,611,638.75 - Step 4: Simplify right side
2,728,271.72x = 6,069,014,295,344.01 - Step 5: Solve for x
x = 6,069,014,295,344.01/2,728,271.72 - Step 6: Final answer
x = 2,224,490.42
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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.