Finding the Fourth Proportional to 5,032,956.51, 6,945,232.42 and 2,857,214.09
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Solution
The fourth proportional to 5,032,956.51, 6,945,232.42 and 2,857,214.09 is: 3,942,814.90
Step by Step Solution
- Step 1: Write the proportion equation
5,032,956.51 : 6,945,232.42 = 2,857,214.09 : x - Step 2: Convert to fraction form
5,032,956.51/6,945,232.42 = 2,857,214.09/x - Step 3: Cross multiply
5,032,956.51x = 6,945,232.42 × 2,857,214.09 - Step 4: Simplify right side
5,032,956.51x = 19,844,015,938,968.84 - Step 5: Solve for x
x = 19,844,015,938,968.84/5,032,956.51 - Step 6: Final answer
x = 3,942,814.90
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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.