Finding the Fourth Proportional to 7,371,977.66, 11,062,949.08 and 2,579,709.32
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Solution
The fourth proportional to 7,371,977.66, 11,062,949.08 and 2,579,709.32 is: 3,871,307.56
Step by Step Solution
- Step 1: Write the proportion equation
7,371,977.66 : 11,062,949.08 = 2,579,709.32 : x - Step 2: Convert to fraction form
7,371,977.66/11,062,949.08 = 2,579,709.32/x - Step 3: Cross multiply
7,371,977.66x = 11,062,949.08 × 2,579,709.32 - Step 4: Simplify right side
7,371,977.66x = 28,539,192,848,361.43 - Step 5: Solve for x
x = 28,539,192,848,361.43/7,371,977.66 - Step 6: Final answer
x = 3,871,307.56
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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.