Finding the Fourth Proportional to 5,622,474.78, 8,433,711.99 and 1,362,643.02
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Solution
The fourth proportional to 5,622,474.78, 8,433,711.99 and 1,362,643.02 is: 2,043,964.49
Step by Step Solution
- Step 1: Write the proportion equation
5,622,474.78 : 8,433,711.99 = 1,362,643.02 : x - Step 2: Convert to fraction form
5,622,474.78/8,433,711.99 = 1,362,643.02/x - Step 3: Cross multiply
5,622,474.78x = 8,433,711.99 × 1,362,643.02 - Step 4: Simplify right side
5,622,474.78x = 11,492,138,775,863.81 - Step 5: Solve for x
x = 11,492,138,775,863.81/5,622,474.78 - Step 6: Final answer
x = 2,043,964.49
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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.