Finding the Fourth Proportional to 5,390,305.97, 7,438,583.73 and 2,942,916.94
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Solution
The fourth proportional to 5,390,305.97, 7,438,583.73 and 2,942,916.94 is: 4,061,204.35
Step by Step Solution
- Step 1: Write the proportion equation
5,390,305.97 : 7,438,583.73 = 2,942,916.94 : x - Step 2: Convert to fraction form
5,390,305.97/7,438,583.73 = 2,942,916.94/x - Step 3: Cross multiply
5,390,305.97x = 7,438,583.73 × 2,942,916.94 - Step 4: Simplify right side
5,390,305.97x = 21,891,134,051,540.60 - Step 5: Solve for x
x = 21,891,134,051,540.60/5,390,305.97 - Step 6: Final answer
x = 4,061,204.35
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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.